Improvements in and relating to the production of active carbon,申请号GB19290013964-传众专利搜索

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发明名称	Improvements in and relating to the production of active carbon
摘要
申请公布号	GB310977(A)	申请公布日期	1930.06.12
申请号	GB19290013964	申请日期	1929.05.04
申请人	THE GENERAL CARBONALPHA COMPANY	发明人
分类号	C01B31/00;C01B31/08	主分类号	C01B31/00
代理机构		代理人
主权项
地址

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