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经营范围
发明名称
SHIELD DRILLING APPARATUS
摘要
申请公布号
JPS60223596(A)
申请公布日期
1985.11.08
申请号
JP19840078376
申请日期
1984.04.20
申请人
KUMAGAIGUMI:KK
发明人
TSUURA KENICHI
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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