Process of flanging sheet metal,申请号US19280259664-传众专利搜索

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法人/股东/高管

发明名称	Process of flanging sheet metal
摘要
申请公布号	US1749148(A)	申请公布日期	1930.03.04
申请号	US19280259664	申请日期	1928.03.07
申请人	MCGREGOR JAMES A	发明人	MCGREGOR JAMES A.
分类号	B21D19/08	主分类号	B21D19/08
代理机构		代理人
主权项
地址

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