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发明名称
摘要
申请公布号
DE2458863(C2)
申请公布日期
1983.09.08
申请号
DE19742458863
申请日期
1974.12.12
申请人
COAL INDUSTRY (PATENTS) LTD., LONDON, GB
发明人
KIMBER, GEOFFREY MICHAEL, WOODMANCOTE, CHELTENHAM,GLOUCESTERSHIRE, GB
分类号
C10G1/04;(IPC1-7):B03B1/02;B01D11/02;C10C1/18;C10C3/08
主分类号
C10G1/04
代理机构
代理人
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