Well tool seal,申请号US19630308387-传众专利搜索

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发明名称	Well tool seal
摘要
申请公布号	US3302736(A)	申请公布日期	1967.02.07
申请号	US19630308387	申请日期	1963.09.12
申请人	SCHLUMBERGER TECHNOLOGY CORP.	发明人	III JAMES W. KISLING
分类号	E21B31/113	主分类号	E21B31/113
代理机构		代理人
主权项
地址

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