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Publication of FR886964ApublicationCriticalpatent/FR886964A/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
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Mechanical Engineering
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FR886964D1942-06-191942-06-19Soupape de sécurité pour distribution de gaz
ExpiredFR886964A
(fr)