INFLATABLE PACKER DRILL STEM TESTING APPARATUS,申请号CA19740205650-传众专利搜索

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发明名称	INFLATABLE PACKER DRILL STEM TESTING APPARATUS
摘要
申请公布号	CA1014370(A)	申请公布日期	1977.07.26
申请号	CA19740205650	申请日期	1974.07.25
申请人	SCHLUMBERGER TECHNOLOGY CORPORATION	发明人	NUTTER, BENJAMIN P.
分类号	E21B33/124;E21B49/08	主分类号	E21B33/124
代理机构		代理人
主权项
地址

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