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Publication of FR629249ApublicationCriticalpatent/FR629249A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
F16K17/20—Excess-flow valves
F16K17/205—Excess-flow valves specially adapted for flexible gas lines
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FR629249D1927-02-181927-02-18Appareils pour préserver contre l'asphyxie par le gaz
ExpiredFR629249A
(fr)