THERMAL &/CORROSION SEAL FOR WELL TOOL,申请号GB19830015543-传众专利搜索

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发明名称	THERMAL &/CORROSION SEAL FOR WELL TOOL
摘要
申请公布号	GB8315543(D0)	申请公布日期	1983.07.13
申请号	GB19830015543	申请日期	1983.06.07
申请人	CAMCO INC	发明人
分类号	E21B33/12;F16J15/32;(IPC1-7):E21B33/128	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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