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PCE
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DIFF Subgroup
A62B 18/10

Valves

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes > Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices > Valves

CPC:

Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes (A62B17/00 takes precedence; anaesthetic masks A61M16/06) > Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices (eye-pieces for protective goggles A61F9/02; composition of materials for the windows or other transparent parts A62D7/00) > Valves

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