Cutting means for metal stretching dies,申请号US19450585116-传众专利搜索

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发明名称	Cutting means for metal stretching dies
摘要
申请公布号	US2460483(A)	申请公布日期	1949.02.01
申请号	US19450585116	申请日期	1945.03.27
申请人	ENGINEERING AND RESEARCH CORPORATION	发明人	BERLINER HENRY A.
分类号	B21D11/02	主分类号	B21D11/02
代理机构		代理人
主权项
地址

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