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发明名称
METHOD OF PROTECTION CONSTRUCTION OF EXISTING TUNNEL
摘要
申请公布号
JPS63184693(A)
申请公布日期
1988.07.30
申请号
JP19870013921
申请日期
1987.01.26
申请人
OHBAYASHIGUMI LTD
发明人
MATSUMURA YONEHIRO;INO NOBUNAGA;MIYA KIYOSHI;KURIHARA YUJI;ISO YOSHINOBU;YOKOMIZO FUMIYUKI
分类号
E21D9/00;E21D9/04
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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