VALVE OPENING AND SHUTTING APPARATUS USING MOTOR,申请号KR19900020452U-传众专利搜索

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发明名称	VALVE OPENING AND SHUTTING APPARATUS USING MOTOR
摘要
申请公布号	KR930004146(Y1)	申请公布日期	1993.07.02
申请号	KR19900020452U	申请日期	1990.12.21
申请人	SHIN, SANG - BONG	发明人	LEE, CHONG - KYUN
分类号	F16K31/04;(IPC1-7):F16K31/04	主分类号	F16K31/04
代理机构		代理人
主权项
地址

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