ELECTRIC POST-HOLE DIGGER,申请号USD3429386-传众专利搜索

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发明名称	ELECTRIC POST-HOLE DIGGER
摘要
申请公布号	US3429386(A)	申请公布日期	1969.02.25
申请号	USD3429386	申请日期	1967.02.27
申请人	HARRY E. SECRIST;JOSEPH J. SNYDER	发明人	HARRY E. SECRIST;JOSEPH J. SNYDER
分类号	E21B11/00;(IPC1-7):E21C1/02;E21C1/14	主分类号	E21B11/00
代理机构		代理人
主权项
地址

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