Die roll and method of making the same,申请号US19400340436-传众专利搜索

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发明名称	Die roll and method of making the same
摘要
申请公布号	US2352141(A)	申请公布日期	1944.06.20
申请号	US19400340436	申请日期	1940.06.14
申请人	CONMAR PRODUCTS CORPORATION	发明人	ULRICH FREDERICK
分类号	B21D53/52	主分类号	B21D53/52
代理机构		代理人
主权项
地址

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