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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY
H01
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ELECTRIC ELEMENTS
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H02B
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BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
H02G
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INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
H02G 1/00
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Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines [1, 2006.01]
H02G 3/00
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Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles (installations of bus-bars H02G 5/00; overhead installations H02G 7/00; installations in or on the ground H02G 9/00) [1, 2006.01]
H02G 5/00
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Installations of bus-bars [1, 2006.01]
H02G 7/00
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Overhead installations of electric lines or cables (installations of bus-bars H02G 5/00) [1, 2006.01]
H02G 9/00
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Installations of electric cables or lines in or on the ground or water [1, 2006.01]
H02G 11/00
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Arrangements of electric cables or lines between relatively-movable parts [1, 2006.01]
H02G 13/00
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Installations of lightning conductorsFastening thereof to supporting structure [1, 2006.01]
H02G 15/00
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Cable fittings [1, 2006.01]
H02G 15/007
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Devices for relieving mechanical stress [3, 2006.01]
H02G 15/013
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Sealing means for cable inlets (inlets for cables filled with, or surrounded by, gas or oil H02G 15/32) [3, 2006.01]
H02G 15/02
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Cable terminations (for gas- or oil-filled cables H02G 15/22) [1, 2006.01]
H02G 15/04
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. . Cable-end sealings [1, 2006.01]
H02G 15/06
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. . Cable terminating boxes, frames or other structures [1, 2006.01]
H02G 15/064
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. . . with devices for relieving electrical stress [3, 2006.01]
H02G 15/068
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. . . . connected to the cable shield only (H02G 15/072 takes precedence) [3, 2006.01]
H02G 15/072
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. . . . of the condenser type [3, 2006.01]
H02G 15/076
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. . . for multi-conductor cables [3, 2006.01]
H02G 15/08
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Cable junctions (for gas or oil filled cables H02G 15/24) [1, 2006.01]
H02G 15/10
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. . protected by boxes, e.g. by distribution, connection or junction boxes [1, 2006.01]
H02G 15/103
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. . . with devices for relieving electrical stress [3, 2006.01]
H02G 15/105
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. . . . connected to the cable shield only (H02G 15/107 takes precedence) [3, 2006.01]
H02G 15/107
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. . . . of the condenser type [3, 2006.01]
H02G 15/113
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. . . Boxes split longitudinally in main cable direction [3, 2006.01]
H02G 15/115
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. . . Boxes split perpendicularly to main cable direction [3, 2006.01]
H02G 15/117
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. . . for multiconductor cables [3, 2006.01]
H02G 15/12
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. . . for incorporating transformers, loading coils or amplifiers [1, 2006.01]
H02G 15/14
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. . . . specially adapted for submarine cables [1, 2006.01]
H02G 15/16
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. . . structurally associated with support for line-connecting terminals within the box [1, 2006.01]
H02G 15/18
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. . protected by sleeves, e.g. for communication cable (two-part covers H02G 15/10) [1, 2006.01]
H02G 15/184
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. . . with devices for relieving electrical stress [3, 2006.01]
H02G 15/188
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. . . . connected to cable shield only [3, 2006.01]
H02G 15/192
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. . . with support means for ends of the sleeves [3, 2006.01]
H02G 15/196
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. . . having lapped insulation [3, 2006.01]
H02G 15/20
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Cable fittings for cables filled with or surrounded by gas or oil (H02G 15/34 takes precedence) [1, 3, 2006.01]
H02G 15/22
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. . Cable terminations [1, 2006.01]
H02G 15/23
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. . . Cable-end sealings [3, 2006.01]
H02G 15/24
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. . Cable junctions [1, 2006.01]
H02G 15/25
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. . . Stop junctions [3, 2006.01]
H02G 15/26
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. . Expansion vesselsLocking headsAuxiliary pipe-lines [1, 2006.01]
H02G 15/28
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. . structurally associated with devices for indicating the presence or location of non-electric faults [1, 2006.01]
H02G 15/30
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. . with devices for relieving electrical stress [3, 2006.01]
H02G 15/32
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. . Cable inlets [3, 2006.01]
H02G 15/34
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Cable fittings for cryogenic cables [3, 2006.01]
H02H
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EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G01R, e.g. G01R 31/00, G08B; locating faults along lines G01R 31/08; emergency protective devices H01H)
H02J
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CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWERSYSTEMS FOR STORING ELECTRIC ENERGY
H02K
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DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H 53/00; conversion of DC or AC input power into surge output power H02M 9/00)
H02M
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMSCONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWERCONTROL OR REGULATION THEREOF  (transformers H01F;  dynamo-electric converters H02K 47/00;  controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) [4, 5]
H02N
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ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
H02P
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CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERSCONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS [4]
H02S
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GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H 1/12; light sensitive inorganic semiconductor devices H01L 31/00; thermoelectric devices H10N 10/00; pyroelectric devices H10N 15/00; light sensitive organic semiconductor devices H10K 30/00) [2014.01]
H03
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ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10
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SEMICONDUCTOR DEVICESELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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