WATER LUBRICATED BIT,申请号CAD635089-传众专利搜索

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发明名称	WATER LUBRICATED BIT
摘要
申请公布号	CA635089(A)	申请公布日期	1962.01.23
申请号	CAD635089	申请日期
申请人	H. C. SMITH OIL TOOL CO.	发明人	KENNETH H. SWART
分类号		主分类号
代理机构		代理人
主权项
地址

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