Hand-operated punch,申请号US19480032950-传众专利搜索

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发明名称	Hand-operated punch
摘要
申请公布号	US2690009(A)	申请公布日期	1954.09.28
申请号	US19480032950	申请日期	1948.06.14
申请人	ROYAL MCBEE CORPORATION	发明人	WELK NELSON S.
分类号	G06K21/06	主分类号	G06K21/06
代理机构		代理人
主权项
地址

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