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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
E01
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BUILDING
E01
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CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES (of tunnels E21D)
E02
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HYDRAULIC ENGINEERINGFOUNDATIONSSOIL-SHIFTING
E02B
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HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F)
E02C
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SHIP-LIFTING DEVICES OR MECHANISMS
E02D
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FOUNDATIONSEXCAVATIONSEMBANKMENTS (specially adapted for hydraulic engineering E02B)UNDERGROUND OR UNDERWATER STRUCTURES [6]
E02D 1/00
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Investigation of foundation soil in situ (investigation involving boring or specially adapted to earth drilling E21B 25/00, E21B 49/00; investigating or analysing materials by determining their chemical or physical properties, in general G01N, e.g. sampling G01N 1/00)
E02D 3/00
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Improving or preserving soil or rock, e.g. preserving permafrost soil (securing of slopes or inclines E02D 17/20; damming or interrupting passage of underground water E02D 19/12; improving soil for agricultural purposes A01; soil stabilisation for road building or like purposes E01C 21/00, E01C 23/10; setting rock anchoring bolts E21D)
E02D 5/00
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Bulkheads, piles, or other structural elements specially adapted to foundation engineering (engineering elements in general F16)
E02D 7/00
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Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds (for both placing and removing E02D 11/00)
E02D 9/00
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Removing sheet pile bulkheads, piles, mould-pipes, or other moulds (for both placing and removing E02D 11/00)
E02D 11/00
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Methods or apparatus for both placing and removing sheet pile bulkheads, piles, or mould-pipes (features relating to placing only E02D 7/00, to removing only E02D 9/00)
E02D 13/00
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Accessories for placing or removing piles or bulkheads
E02D 15/00
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Handling building or like materials for hydraulic engineering or foundations (conveying or working-up concrete or similar masses in general E04G 21/02)
E02D 17/00
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ExcavationsBordering of excavationsMaking embankments (soil shifting apparatus E02F; earth drilling E21)
E02D 19/00
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Keeping dry foundation sites or other areas in the ground (sheet piles or bulkheads E02D 5/02)
E02D 23/00
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CaissonsConstruction or placing of caissons (tunnels submerged into or built in open water E02D 29/063) [6]
E02D 25/00
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Joining caissons or like sunk units to each other under water
E02D 27/00
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Foundations as substructures
E02D 27/01
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Flat foundations
E02D 27/02
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. . Flat foundations without substantial excavation (E02D 27/04, E02D 27/08 take precedence)
E02D 27/04
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. . in water or on quicksand
E02D 27/06
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. . . Floating caisson foundations
E02D 27/08
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. . Reinforcements for flat foundations
E02D 27/10
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Deep foundations
E02D 27/12
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. . Pile foundations
E02D 27/14
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. . . Pile framings
E02D 27/16
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. . . Foundations formed of separate piles
E02D 27/18
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. . Foundations formed by making use of caissons
E02D 27/20
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. . Caisson foundations combined with pile foundations
E02D 27/22
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. . Caisson foundations made by starting from fixed or floating artificial islands by using protective bulkheads
E02D 27/24
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Foundations constructed by making use of diving-bells (equipment for dwelling or working under water B63C 11/00)
E02D 27/26
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Compacting soil locally before forming foundationsConstruction of foundation structures by forcing binding substances into gravel fillings (consolidating foundation soil in general E02D 3/02-E02D 3/12)
E02D 27/28
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Stressing the soil or the foundation structure while forming foundations
E02D 27/30
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Foundations made with permanent use of sheet pile bulkheads, walls of planks, or sheet piling boxes
E02D 27/32
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Foundations for special purposes
E02D 27/34
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. . Foundations for sinking or earthquake territories (building constructions with protection arrangements against earthquakes E04H 9/02)
E02D 27/35
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. . Foundations formed in frozen ground, e.g. in permafrost soil [3]
E02D 27/36
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. . Foundations formed in moors or bogs
E02D 27/38
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. . Foundations for large tanks, e.g. oil tanks
E02D 27/40
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. . Foundations for dams across valleys or for dam constructions
E02D 27/42
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. . Foundations for poles, masts, or chimneys
E02D 27/44
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. . Foundations for machines, engines, or ordnance (special layout of foundations with respect to machinery to be supported F16M 9/00)
E02D 27/46
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. . Foundations for supply conduits or other canals
E02D 27/48
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. . Foundations inserted underneath existing buildings or constructions
E02D 27/50
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. . Anchored foundations
E02D 27/52
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. . Submerged foundations
E02D 29/00
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Underground or underwater structures (underground tanks B65D 88/76; hydraulic engineering, e.g. sealings or joints, E02B; underground garages E04H 6/00; underground air-raid shelters E04H 9/12; burial vaults E04H 13/00)Retaining walls [6]
E02D 31/00
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Protective arrangements for foundations or foundation structuresGround foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution (spillage retaining means for tanks B65D 90/24)
E02D 33/00
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Testing foundations or foundation structures (testing methods or apparatus, see the relevant subclasses of class G01; testing structures or apparatus as regards function, in general, G01M; investigating or analysing materials by determining their chemical or physical properties, in general G01N)
E02D 35/00
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Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
E02D 37/00
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Repair of damaged foundations or foundation structures
E02F
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DREDGINGSOIL-SHIFTING (winning peat E21C 49/00)
E03
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WATER SUPPLYSEWERAGE
E04
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BUILDING (layered materials, layered products in general B32B)
E05
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LOCKSKEYSWINDOW OR DOOR FITTINGSSAFES
E06
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DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERALLADDERS
E21
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EARTH OR ROCK DRILLINGMINING
E21
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EARTH OR ROCK DRILLINGMINING
E99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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