Machine for forming annular sheet metal workpieces,申请号US19500202191-传众专利搜索

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发明名称	Machine for forming annular sheet metal workpieces
摘要
申请公布号	US2659407(A)	申请公布日期	1953.11.17
申请号	US19500202191	申请日期	1950.12.22
申请人	THE BUDD COMPANY	发明人	KAY JOHN GILCHRIST
分类号	B21D53/30	主分类号	B21D53/30
代理机构		代理人
主权项
地址

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