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发明名称
Gas extraction of coal
摘要
申请公布号
GB2065160(A)
申请公布日期
1981.06.24
申请号
GB19790043239
申请日期
1979.12.14
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
C10G1/00;C10G1/04;(IPC1-7):C10G1/06
主分类号
C10G1/00
代理机构
代理人
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