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发明名称
TUNNEL THAT USE CORRUGATE STEEL PIPE
摘要
申请公布号
JPS52120530(A)
申请公布日期
1977.10.11
申请号
JP19760037279
申请日期
1976.04.05
申请人
MITSUBISHI HEAVY IND LTD
发明人
SAWAI YUKIO;NOMIYAMA KOU
分类号
F16L9/14;E02B9/06;E03F3/04;E21D11/14;F16L9/02
主分类号
F16L9/14
代理机构
代理人
主权项
地址
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