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Symbol IPC-Stellen auswählen Titel
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONS; TRANSPORTING
C
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CHEMISTRY; METALLURGY
D
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TEXTILES; PAPER
E
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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]
E02F
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DREDGINGSOIL-SHIFTING (winning peat E21C 49/00)
E02F 1/00
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General working methods with dredgers or soil-shifting machines (methods for making embankments E02D 17/18; methods for mining E21C)
E02F 3/00
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DredgersSoil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D)
E02F 5/00
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Dredgers or soil-shifting machines for special purposes
E02F 5/02
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for digging trenches or ditches (agricultural ploughs for working ridges A01B 13/02)
E02F 5/04
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. . with digging screws
E02F 5/06
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. . with digging elements mounted on an endless chain
E02F 5/08
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. . with digging wheels turning round an axis
E02F 5/10
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. . with arrangements for reinforcing trenches or ditcheswith arrangements for making or assembling conduits or for laying conduits or cables (laying pipes per se F16L 1/00 , making pipes in situ F16L 1/038; laying electric cables per se H02G 1/06) [6]
E02F 5/12
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. . with equipment for back-filling trenches or ditches (E02F 5/10 takes precedence) [3]
E02F 5/14
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. . Component parts for trench excavators, e.g. indicating devices
E02F 5/16
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Machines for digging other holes in the soil (earth drilling E21)
E02F 5/18
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. . for horizontal holes
E02F 5/20
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. . for vertical holes
E02F 5/22
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for making embankmentsfor back-filling (in combination with trench excavators E02F 5/12)
E02F 5/24
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. . Depositing dredged material in mounds
E02F 5/26
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. . Combined conveying-bridges and dredgers
E02F 5/28
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for cleaning watercourses or other waters
E02F 5/30
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Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
E02F 5/32
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. . Rippers [4]
E02F 7/00
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Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers B63B 35/28)
E02F 9/00
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Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F 3/00 to E02F 7/00 (laying-out or take-up devices for trailing electric cables B66C) [3]
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 DRILLING; MINING
E21
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EARTH OR ROCK DRILLINGMINING
F
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MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G
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PHYSICS
H
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ELECTRICITY

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