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发明名称
SHIELD EXCAVATOR
摘要
申请公布号
JPH04176990(A)
申请公布日期
1992.06.24
申请号
JP19900302498
申请日期
1990.11.09
申请人
TOKYO ELECTRIC POWER CO INC:THE;TAISEI CORP;MITSUBISHI HEAVY IND LTD
发明人
ICHINO YOSHIHARU;TAKAGI OSAMU;SASAKI KIYOMI;MATSUMOTO TAKAO
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
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