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发明名称
Procédé de fixation de la poussière dans les exploitations des houillères
摘要
申请公布号
FR1494590(A)
申请公布日期
1967.09.08
申请号
FR19660077854
申请日期
1966.09.27
申请人
CHEMISCHE FABRIK KALK G. M. B. H.
发明人
分类号
E21F5/16
主分类号
E21F5/16
代理机构
代理人
主权项
地址
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