Punching and extruding device,申请号US19560581123-传众专利搜索

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发明名称	Punching and extruding device
摘要
申请公布号	US2887157(A)	申请公布日期	1959.05.19
申请号	US19560581123	申请日期	1956.04.27
申请人	REHDORF ARNOLD L	发明人	REHDORF ARNOLD L.
分类号	B21D28/24	主分类号	B21D28/24
代理机构		代理人
主权项
地址

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