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发明名称
TUNNEL COVERING CONSTRUCTION METHOD
摘要
申请公布号
JPS6131599(A)
申请公布日期
1986.02.14
申请号
JP19840153787
申请日期
1984.07.24
申请人
NIPPON CONCRETE KOGYO KK
发明人
MARUYAMA TAKEHIKO;SHIRAIWA TADAHIRO
分类号
E21D11/08;E21D11/10
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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