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经营范围
发明名称
SHIELD EXCAVATOR
摘要
申请公布号
JPS52104328(A)
申请公布日期
1977.09.01
申请号
JP19760021524
申请日期
1976.02.27
申请人
HITACHI SHIPBUILDING ENG CO
发明人
TSUDA KOUICHI;KURIKUMA YASUHIRO
分类号
E21D9/13;E21D9/08
主分类号
E21D9/13
代理机构
代理人
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地址
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