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发明名称
RECTANGULAR SHIELD EXCAVATING MACHINE
摘要
申请公布号
EP0497454(A3)
申请公布日期
1992.10.07
申请号
EP19920300234
申请日期
1992.01.10
申请人
KABUSHIKI KAISHA ISEKI KAIHATSU KOKI;PENTA-OCEAN CONSTRUCTION CO. LTD.
发明人
AKESAKA, TOSHIO;HAMADA, KAZUTO
分类号
E21D9/06;E21D9/08;E21D9/087;E21D9/12;(IPC1-7):E21D9/08
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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