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Priority to JP10552682ApriorityCriticalpatent/JPS58225284A/ja
Publication of JPS58225284ApublicationCriticalpatent/JPS58225284A/ja
Publication of JPH048674B2publicationCriticalpatent/JPH048674B2/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
F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation