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发明名称
SHIELD EXCAVATOR
摘要
申请公布号
JPH02225796(A)
申请公布日期
1990.09.07
申请号
JP19890047080
申请日期
1989.02.27
申请人
HITACHI ZOSEN CORP
发明人
TANAKA YUJI
分类号
E21D9/087;E21D9/08
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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