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Priority to FR18875ApriorityCriticalpatent/FR1256886A/fr
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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
F16K31/48—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot
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FR18875A1960-05-131960-05-13Dispositif de commande pour assurer chronologiquement mécaniquement l'ouverture ou la fermeture d'un circuit
ExpiredFR1256886A
(fr)