Method of making blanking dies,申请号US19530335515-传众专利搜索

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发明名称	Method of making blanking dies
摘要
申请公布号	US2685805(A)	申请公布日期	1954.08.10
申请号	US19530335515	申请日期	1953.02.06
申请人	BAUMGARTNER JOHN R	发明人	BAUMGARTNER JOHN R.
分类号	B23P15/40	主分类号	B23P15/40
代理机构		代理人
主权项
地址

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