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发明名称
METHOD OF COVERING THE SUMP OF UNDERGROUND CAVITIES
摘要
申请公布号
GB2080870(A)
申请公布日期
1982.02.10
申请号
GB19810017010
申请日期
1981.06.03
申请人
RUHRGAS AG
发明人
分类号
B65G5/00;(IPC1-7):E21F17/16
主分类号
B65G5/00
代理机构
代理人
主权项
地址
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