ROD AND PIPE PUSHER AND PULLER,申请号CAD911988-传众专利搜索

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发明名称	ROD AND PIPE PUSHER AND PULLER
摘要
申请公布号	CA911988(A)	申请公布日期	1972.10.10
申请号	CAD911988	申请日期
申请人	CHARLES STROMP, JR.	发明人	CHARLES STROMP, JR.
分类号	E21B7/04;E21B19/00;(IPC1-7):E21B19/00	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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