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发明名称
HEADRACE METHOD FOR WATER LEAKAGE IN TUNNEL
摘要
申请公布号
JPH02272200(A)
申请公布日期
1990.11.06
申请号
JP19890094461
申请日期
1989.04.14
申请人
SHO BOND CONSTR CO LTD
发明人
SUKUMIZU SHIGEHARU
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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