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经营范围
发明名称
BRIQUETTING COAL
摘要
申请公布号
GB1489690(A)
申请公布日期
1977.10.26
申请号
GB19750028255
申请日期
1976.05.25
申请人
COAL IND LTD
发明人
分类号
C10B53/08;C10L5/04;(IPC1-7):C10L5/02
主分类号
C10B53/08
代理机构
代理人
主权项
地址
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