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Publication of FR334042ApublicationCriticalpatent/FR334042A/en
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
FR334042D1903-07-221903-07-22
Shut-off system for taps
ExpiredFR334042A
(en)