Process of removing gas from coal and other carbonaceous materials in situ,申请号GB19340026685-传众专利搜索

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发明名称	Process of removing gas from coal and other carbonaceous materials in situ
摘要
申请公布号	GB444484(A)	申请公布日期	1936.03.17
申请号	GB19340026685	申请日期	1934.09.17
申请人	LEO RANNEY	发明人
分类号	E21F7/00	主分类号	E21F7/00
代理机构		代理人
主权项
地址

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