APPARATUS AND METHOD FOR EARTH CORING,申请号CAD773006-传众专利搜索

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发明名称	APPARATUS AND METHOD FOR EARTH CORING
摘要
申请公布号	CA773006(A)	申请公布日期	1967.12.05
申请号	CAD773006	申请日期
申请人	STANLEY G. ATKINS;STANLEY B. BAILLIE	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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