RETRACTABLE WIRE LINE CORE BARREL,申请号CAD826527-传众专利搜索

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发明名称	RETRACTABLE WIRE LINE CORE BARREL
摘要
申请公布号	CA826527(A)	申请公布日期	1969.11.04
申请号	CAD826527	申请日期
申请人	ODGERS DRILLING INC.	发明人	WALTER W. SVENDSEN
分类号		主分类号
代理机构		代理人
主权项
地址

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