VALVES,申请号GB19850027786-传众专利搜索

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发明名称	VALVES
摘要
申请公布号	GB8527786(D0)	申请公布日期	1985.12.18
申请号	GB19850027786	申请日期	1985.11.11
申请人	KOOMEY BLOWOUT PREVENTERS INC	发明人
分类号	E21B29/08;E21B33/06;(IPC1-7):E21B33/06	主分类号	E21B29/08
代理机构		代理人
主权项
地址

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