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经营范围
发明名称
Process of dressing minerals, more particularly coal, in heavy liquid
摘要
申请公布号
GB764038(A)
申请公布日期
1956.12.19
申请号
GB19550001245
申请日期
1955.01.14
申请人
ESCHWEILER BERGWERKS-VEREIN
发明人
HAACKE ALBRECHT
分类号
B03B5/10
主分类号
B03B5/10
代理机构
代理人
主权项
地址
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