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发明名称
WATER PROOFING OF TUNNEL STRUCTURE
摘要
申请公布号
JPS57140500(A)
申请公布日期
1982.08.31
申请号
JP19810026555
申请日期
1981.02.25
申请人
NIHON SOUGOU BOUSUI KK
发明人
MATSUEDA MAKOTO;TOKORO TAKEHIKO;HAGA EIJI
分类号
E21D11/38;E21F16/02
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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