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Priority to JP14799783ApriorityCriticalpatent/JPS6040872A/ja
Publication of JPS6040872ApublicationCriticalpatent/JPS6040872A/ja
Publication of JPH0475426B2publicationCriticalpatent/JPH0475426B2/ja
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
F16K15/00—Check valves
F16K15/02—Check valves with guided rigid valve members
F16K15/04—Check valves with guided rigid valve members shaped as balls