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Priority to JP1989011585UpriorityCriticalpatent/JPH083682Y2/ja
Priority to KR1019890017084Aprioritypatent/KR0149159B1/ko
Publication of JPH02102001UpublicationCriticalpatent/JPH02102001U/ja
Application grantedgrantedCritical
Publication of JPH083682Y2publicationCriticalpatent/JPH083682Y2/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
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves