Method and device for sealing a borehole wall,申请号US19540478653-传众专利搜索

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发明名称	Method and device for sealing a borehole wall
摘要
申请公布号	US2800185(A)	申请公布日期	1957.07.23
申请号	US19540478653	申请日期	1954.12.30
申请人	GULF RESEARCH & DEVELOPMENT COMPANY	发明人	TEPLITZ ABRAHAM J.
分类号	E21B33/136;E21B33/138	主分类号	E21B33/136
代理机构		代理人
主权项
地址

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