Fence post driver and digger,申请号US19500154549-传众专利搜索

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发明名称	Fence post driver and digger
摘要
申请公布号	US2660035(A)	申请公布日期	1953.11.24
申请号	US19500154549	申请日期	1950.04.07
申请人	ZEISER JAMES F	发明人	ZEISER JAMES F.
分类号	E21B7/02	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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