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发明名称
TUNNEL DRILLING METHOD AND MACHINE
摘要
申请公布号
JPS5976398(A)
申请公布日期
1984.05.01
申请号
JP19820185594
申请日期
1982.10.22
申请人
NIPPON DENSHIN DENWA KOSHA;ISHIKAWAJIMA HARIMA JUKOGYO KK
发明人
MORIMOTO KEIJI;SATOU SHIYUUICHI;HONDA KENICHI;YOSHIDA MINORU;MUTA MASARU;SUMIYA TSUNEHIRO;TAKAHASHI TAKAO
分类号
E21D9/06;E21D9/08;E21D9/12
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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