Shank and socket connection for augers,申请号US19490094179-传众专利搜索

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发明名称	Shank and socket connection for augers
摘要
申请公布号	US2588901(A)	申请公布日期	1952.03.11
申请号	US19490094179	申请日期	1949.05.19
申请人	THE SALEM TOOL COMPANY	发明人	WEIKART HARRY L.
分类号	E21B10/44;E21B17/046	主分类号	E21B10/44
代理机构		代理人
主权项
地址

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