TOGGLE MECHANISM WELLHEAD CONNECTOR,申请号GB19800025124-传众专利搜索

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发明名称	TOGGLE MECHANISM WELLHEAD CONNECTOR
摘要
申请公布号	GB1603419(A)	申请公布日期	1981.11.25
申请号	GB19800025124	申请日期	1978.05.31
申请人	NL IND INC	发明人
分类号	E21B33/038;F16L37/12;(IPC1-7):F16L37/12	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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