CPC Subgroup
F16K 17/205 Full Title
Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)
F16K 17/205 Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)