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经营范围
发明名称
SHIELD DRILLING APPARATUS
摘要
申请公布号
JPS5996396(A)
申请公布日期
1984.06.02
申请号
JP19820205236
申请日期
1982.11.22
申请人
AOKI KENSETSU:KK;HOSHINO KENZOU;YANAKA SHIYOUICHI
发明人
KONDOU YOSHIMASA;HOSHINO KENZOU;YANAKA SHIYOUICHI
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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