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发明名称
STAUBKONTROLLSYSTEM UND -VERFAHREN SOWIE DAFUER VORGESEHENES BETT
摘要
申请公布号
DE3009323(A1)
申请公布日期
1980.09.25
申请号
DE19803009323
申请日期
1980.03.11
申请人
PEABODY COAL CO.
发明人
CAMPBELL,JOHN;D. ROPER,WILLIAM;J. MOYNIHAN,DANIEL;C. WILLIS,EARL
分类号
E21C35/22;E21F5/20;(IPC1-7):E21F5/20
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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