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Publication of FR521519ApublicationCriticalpatent/FR521519A/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
F16K35/00—Means to prevent accidental or unauthorised actuation
F16K35/08—Means to prevent accidental or unauthorised actuation requiring setting according to a code, e.g. permutation locks
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Engineering & Computer Science
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General Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR521519A1919-12-161919-12-16Dispositif permettant le bloquage, dans une position déterminée, d'un organe tournant
ExpiredFR521519A
(fr)