OPENING AND SHUTTING DEVICE OF WATERWORKS VALVE,申请号KR19910003989U-传众专利搜索

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发明名称	OPENING AND SHUTTING DEVICE OF WATERWORKS VALVE
摘要
申请公布号	KR930006772(Y1)	申请公布日期	1993.10.06
申请号	KR19910003989U	申请日期	1991.03.25
申请人	JANG, HYO - SOL	发明人	JANG, HYO - SOL
分类号	F16K31/62;(IPC1-7):F16K31/62	主分类号	F16K31/62
代理机构		代理人
主权项
地址

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