CONTINUOUS DIGGING APPARATUS,申请号CAD848315-传众专利搜索

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发明名称	CONTINUOUS DIGGING APPARATUS
摘要
申请公布号	CA848315(A)	申请公布日期	1970.08.04
申请号	CAD848315	申请日期
申请人	JAMES C. RUSSELL	发明人	JAMES C. RUSSELL
分类号		主分类号
代理机构		代理人
主权项
地址

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