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发明名称
WITHDRAWAL DEVICE OF STARTING AND ARRIVING DOOR FOR TUNNEL EXCAVATION VERTICAL SHAFT
摘要
申请公布号
JPH055395(A)
申请公布日期
1993.01.14
申请号
JP19910154965
申请日期
1991.06.27
申请人
HITACHI ZOSEN CORP
发明人
MAJIMA MIKIO;ONO TORU
分类号
E21D5/12;E21D9/06
主分类号
E21D5/12
代理机构
代理人
主权项
地址
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