Method of forming thin metal panels having bifurcated edges,申请号US19580720382-传众专利搜索

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发明名称	Method of forming thin metal panels having bifurcated edges
摘要
申请公布号	US3010202(A)	申请公布日期	1961.11.28
申请号	US19580720382	申请日期	1958.03.10
申请人	CALUMET & HECLA, INC.	发明人	FROMSON HOWARD A.
分类号	B21D39/03	主分类号	B21D39/03
代理机构		代理人
主权项
地址

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