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发明名称
ERECTOR DEVICE FOR VERTICAL TYPE MULTIPLE SHIELD EXCAVATOR
摘要
申请公布号
JPH02221597(A)
申请公布日期
1990.09.04
申请号
JP19890041843
申请日期
1989.02.23
申请人
HITACHI CONSTR MACH CO LTD;ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
发明人
OTSUKA RYUSABURO;TSUCHIYA KIYOSHI;YAMAZAKI HIDETSUGU
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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