VALVE OPENING AND SHUTTING INDICATION DEVICE OF UNDERGROUND,申请号KR19900019010U-传众专利搜索

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发明名称	VALVE OPENING AND SHUTTING INDICATION DEVICE OF UNDERGROUND
摘要
申请公布号	KR930004150(Y1)	申请公布日期	1993.07.02
申请号	KR19900019010U	申请日期	1990.12.03
申请人	KIM, SANG - UK	发明人	KIM, SANG - UK
分类号	F16K31/46;(IPC1-7):F16K31/46	主分类号	F16K31/46
代理机构		代理人
主权项
地址

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