Extrusion of metals,申请号US19480027974-传众专利搜索

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发明名称	Extrusion of metals
摘要
申请公布号	US2538917(A)	申请公布日期	1951.01.23
申请号	US19480027974	申请日期	1948.05.19
申请人	COMPTOIR INDUSTRIEL D'ETIRAGE ET PROFILAGE DE METAUX	发明人	SEJOURNET JACQUES;LABATAILLE LOUIS
分类号	B21C23/32	主分类号	B21C23/32
代理机构		代理人
主权项
地址

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