Procédé et dispositif pour le traitement de fil métallique laminé, destiné à la fabrication de ressorts, en particulier de ressorts à boudin,申请号FRD706334-传众专利搜索

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发明名称	Procédé et dispositif pour le traitement de fil métallique laminé, destiné à la fabrication de ressorts, en particulier de ressorts à boudin
摘要
申请公布号	FR706334(A)	申请公布日期	1931.06.23
申请号	FRD706334	申请日期	1930.11.25
申请人	FRIED. KRUPP AKTIENGESELLSCHAFT FRIEDRICH-ALFRED-HUTTE	发明人
分类号	B21F3/00	主分类号	B21F3/00
代理机构		代理人
主权项
地址

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