Cold holder and method of making the same,申请号US19320618033-传众专利搜索

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发明名称	Cold holder and method of making the same
摘要
申请公布号	US1990738(A)	申请公布日期	1935.02.12
申请号	US19320618033	申请日期	1932.06.18
申请人	EDWARD G. BUDD MANUFACTURING COMPANY	发明人	PORTE RALPH P. LA
分类号	B21D53/06	主分类号	B21D53/06
代理机构		代理人
主权项
地址

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