DIFF Subgroup
H01B 9/06 Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
Introduced: September 1968
Full Title
Power cables > Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
Of 12 combined children, 0 exist in both systems.
12 codes are CPC-only extensions.
Child Classifications
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