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发明名称
SHAFT TRANSIT DRUM WORK METHOD IN SHIELD WORK
摘要
申请公布号
JPH0220796(A)
申请公布日期
1990.01.24
申请号
JP19880172034
申请日期
1988.07.11
申请人
SHIMIZU CORP
发明人
NAKAGAWA TAKAO;ISHIDA KOICHI
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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