Method for working sheet metal,申请号US19460643247-传众专利搜索

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发明名称	Method for working sheet metal
摘要
申请公布号	US2476254(A)	申请公布日期	1949.07.12
申请号	US19460643247	申请日期	1946.01.25
申请人	THE BUDD COMPANY	发明人	WINLOCK JOSEPH
分类号	B21D1/02	主分类号	B21D1/02
代理机构		代理人
主权项
地址

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