Amélioration de surface dans les transmetteurs de calories sans augmentation de poids, formation d'ailettes dans la masse,申请号FR19580772809-传众专利搜索

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发明名称	Amélioration de surface dans les transmetteurs de calories sans augmentation de poids, formation d'ailettes dans la masse
摘要
申请公布号	FR74116(E)	申请公布日期	1960.11.07
申请号	FR19580772809	申请日期	1958.08.20
申请人	COMPAGNIE GENERALE DU DURALUMIN ET DU CUIVRE	发明人	COSPEN JEAN
分类号	B21C37/20;B21D53/04	主分类号	B21C37/20
代理机构		代理人
主权项
地址

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