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发明名称
MACHINE FOR BORING HEADING AND FOR FACING WORK
摘要
申请公布号
JPS5361501(A)
申请公布日期
1978.06.02
申请号
JP19760136837
申请日期
1976.11.16
申请人
DOWA MINING CO
发明人
KAWAGUCHI SEIJI
分类号
E21D11/40;E21D9/00;E21F13/06;E21F17/00
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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