Procédé de préparation d'un produit charbonneux du type des charbons actifs,申请号FRD826469-传众专利搜索

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发明名称	Procédé de préparation d'un produit charbonneux du type des charbons actifs
摘要
申请公布号	FR826469(A)	申请公布日期	1938.03.31
申请号	FRD826469	申请日期	1937.09.09
申请人		发明人	BOSSE AUGUST
分类号	C01B31/12	主分类号	C01B31/12
代理机构		代理人
主权项
地址

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