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发明名称
SHIELD EXCAVATOR WITH VARIABLE BORE
摘要
申请公布号
JPH04155096(A)
申请公布日期
1992.05.28
申请号
JP19900280711
申请日期
1990.10.19
申请人
KAJIMA CORP
发明人
SATO HIRONOBU
分类号
E21D9/06;E21D9/08;E21D9/087
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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