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Publication of FR887450ApublicationCriticalpatent/FR887450A/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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FR887450D1941-02-281941-02-28Dispositif obturateur pour canalisations de gaz comprimés
ExpiredFR887450A
(fr)