Working implement retainer,申请号US19450586052-传众专利搜索

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发明名称	Working implement retainer
摘要
申请公布号	US2432331(A)	申请公布日期	1947.12.09
申请号	US19450586052	申请日期	1945.04.02
申请人	JOY MANUFACTURING COMPANY	发明人	OSGOOD CHARLES F.
分类号	B25D17/08	主分类号	B25D17/08
代理机构		代理人
主权项
地址

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