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发明名称	METHOD OF EARTH CORING
摘要
申请公布号	CA760841(A)	申请公布日期	1967.06.13
申请号	CAD760841	申请日期
申请人	STANLEY B. BAILLIE;STANLEY G. ATKINS	发明人	STANLEY G. ATKINS;STANLEY B. BAILLIE
分类号	E21B7/26	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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