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发明名称
SEGMENT FOR TUNNEL LINING
摘要
申请公布号
JPH01146100(A)
申请公布日期
1989.06.08
申请号
JP19870303632
申请日期
1987.12.01
申请人
KUMAGAI GUMI CO LTD
发明人
SHIMAZU HISAAKI;KITAHARA YOICHI;KIDO YOSHIKAZU
分类号
E21D11/04
主分类号
E21D11/04
代理机构
代理人
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