Power driven posthole boring machine,申请号US19400344402-传众专利搜索

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发明名称	Power driven posthole boring machine
摘要
申请公布号	US2286583(A)	申请公布日期	1942.06.16
申请号	US19400344402	申请日期	1940.07.08
申请人	SHOUP LLOYD R	发明人	SHOUP LLOYD R.
分类号	E21B7/00;E21B7/02	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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