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发明名称
TIMBERING OVERHAUL DEVICE IN TUNNEL CONSTRUCTION
摘要
申请公布号
JPH01151699(A)
申请公布日期
1989.06.14
申请号
JP19870307985
申请日期
1987.12.04
申请人
SUZUKI TOMOE
发明人
SUZUKI TOMOE
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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