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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
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
F16K17/20—Excess-flow valves
F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
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FR488748D1917-10-191917-10-19
Flow regulating devices with automatic closure in the event of a break for piping any pressurized fluid
ExpiredFR488748A
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