Four spécial pour le traitement thermique, sans oxydation, de petites pièces métalliques,申请号FRD746765-传众专利搜索

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发明名称	Four spécial pour le traitement thermique, sans oxydation, de petites pièces métalliques
摘要
申请公布号	FR746765(A)	申请公布日期	1933.06.06
申请号	FRD746765	申请日期	1932.02.24
申请人	ETAT FRANCAIS	发明人
分类号	C21D1/74	主分类号	C21D1/74
代理机构		代理人
主权项
地址

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