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DIFF Subgroup
H01H 33/58

Silencers for suppressing noise of switch operation

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Details > Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices > Silencers for suppressing noise of switch operation

CPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Details > Cases (for switchgear H02B1/26); Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices > Silencers for suppressing noise of switch operation

No child classifications to compare. This is a leaf node in both IPC and CPC.