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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
F16K33/00—Floats for actuation of valves or other apparatus
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FR814509D1936-01-041936-01-04Perfectionnements apportés aux flotteurs
ExpiredFR814509A
(fr)