EARTH BORING APPARATUS,申请号CAD853064-传众专利搜索

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发明名称	EARTH BORING APPARATUS
摘要
申请公布号	CA853064(A)	申请公布日期	1970.10.06
申请号	CAD853064	申请日期
申请人	TEL-E-LECT PRODUCTS	发明人	RALPH E. CARBERT
分类号		主分类号
代理机构		代理人
主权项
地址

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