Coking expanding coal,申请号US19420433119-传众专利搜索

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发明名称	Coking expanding coal
摘要
申请公布号	US2382809(A)	申请公布日期	1945.08.14
申请号	US19420433119	申请日期	1942.03.03
申请人	FUEL REFINING CORPORATION	发明人	OTTO CARL
分类号	C10B57/06	主分类号	C10B57/06
代理机构		代理人
主权项
地址

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