Procédé perfectionné pour donner des surfaces lisses aux métaux et pièces métalliques en les recuisant pour leur restituer leur ductibilité,申请号FRD821421-传众专利搜索

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发明名称	Procédé perfectionné pour donner des surfaces lisses aux métaux et pièces métalliques en les recuisant pour leur restituer leur ductibilité
摘要
申请公布号	FR821421(A)	申请公布日期	1937.12.04
申请号	FRD821421	申请日期	1937.05.04
申请人	FINSPONGS METALLVERKS AKTIEBOLAG	发明人
分类号	C21D1/74;C21D8/00	主分类号	C21D1/74
代理机构		代理人
主权项
地址

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