Procédé de fabrication de carbone pratiquement sec,申请号FRD705874-传众专利搜索

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发明名称	Procédé de fabrication de carbone pratiquement sec
摘要
申请公布号	FR705874(A)	申请公布日期	1931.06.16
申请号	FRD705874	申请日期	1930.11.18
申请人	L'AIR LIQUIDE	发明人
分类号	C09C1/54	主分类号	C09C1/54
代理机构		代理人
主权项
地址

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