Procédé de fabrication d'objets métalliques de faible épaisseur et objets obtenus suivant ce procédé,申请号FRD713167-传众专利搜索

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发明名称	Procédé de fabrication d'objets métalliques de faible épaisseur et objets obtenus suivant ce procédé
摘要
申请公布号	FR713167(A)	申请公布日期	1931.10.23
申请号	FRD713167	申请日期	1931.03.13
申请人	ETABLISSEMENTS DRIVER-HARRIS	发明人
分类号	B21D51/26	主分类号	B21D51/26
代理机构		代理人
主权项
地址

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