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发明名称
A process for the wet-cleaning of coal
摘要
申请公布号
GB920031(A)
申请公布日期
1963.03.06
申请号
GB19590009733
申请日期
1959.03.20
申请人
ESCHWEILER BERGWERKS-VERFIN
发明人
分类号
B03B1/00;B03B1/04;F26B1/00
主分类号
B03B1/00
代理机构
代理人
主权项
地址
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