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Publication of FR764013ApublicationCriticalpatent/FR764013A/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
F16K21/00—Fluid-delivery valves, e.g. self-closing valves
F16K21/04—Self-closing valves, i.e. closing automatically after operation
F16K21/14—Self-closing valves, i.e. closing automatically after operation with special means for preventing the self-closing
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FR764013D1933-11-171933-11-17Dispositif d'obturation automatique, en particulier pour canalisations d'eau
ExpiredFR764013A
(fr)