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发明名称
DEVICE FOR MOUNTING A STRUT BETWEEN ROADWAY ARCHES IN A MINE
摘要
申请公布号
GB1486561(A)
申请公布日期
1977.09.21
申请号
GB19730052295
申请日期
1974.11.05
申请人
HAYES M
发明人
分类号
E21D11/26;(IPC1-7):E21D11/22
主分类号
E21D11/26
代理机构
代理人
主权项
地址
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