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Publication of FR562801ApublicationCriticalpatent/FR562801A/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
F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
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FR562801D1922-03-021923-03-01Perfectionnements apportés aux récipients pour fluides sous pression
ExpiredFR562801A
(fr)