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发明名称
METHOD OF IMPROVING OF QUALITY OF LIQUIDS PREPARED FROM COAL
摘要
申请公布号
PL235276(A1)
申请公布日期
1983.01.31
申请号
PL19820235276
申请日期
1982.03.01
申请人
PITTSBURGH MIDWAY COAL MINING
发明人
CAMPAGNA ROBERT J;PARASKOS JOHN A;STAUFFER HARRY CH
分类号
C10G;(IPC1-7):C10G/
主分类号
C10G
代理机构
代理人
主权项
地址
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