Procédé et dispositif pour la fabrication de tôles doubles,申请号FRD850629-传众专利搜索

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发明名称	Procédé et dispositif pour la fabrication de tôles doubles
摘要
申请公布号	FR850629(A)	申请公布日期	1939.12.21
申请号	FRD850629	申请日期	1939.02.20
申请人	GESELLSCHAFT ZUR ERFORSCHUNG UND ENTWICKLUNG NEUARTIGER WERKSTOFF-BEARBEITUNGSVERFAHREN M.B.H.	发明人
分类号	B21D39/03	主分类号	B21D39/03
代理机构		代理人
主权项
地址

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