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发明名称
SWITCHGEAR FOR INTAKE OF SOIL AND SAND OF CUTTER WHEEL IN TUNNEL EXCAVATOR
摘要
申请公布号
JPS57193698(A)
申请公布日期
1982.11.29
申请号
JP19810078360
申请日期
1981.05.23
申请人
HITACHI KENKI KK
发明人
KURAMOCHI MASAYUKI
分类号
E21D9/087;E21D9/08
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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