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发明名称
NANJAKUJIBANNITAISURUPAIPUANKAKOHO
摘要
申请公布号
JPS5736215(A)
申请公布日期
1982.02.27
申请号
JP19800111068
申请日期
1980.08.14
申请人
JAPAN NATIONAL RAILWAY
发明人
NAGANO TOSHIMI;TAKAGI KINAI
分类号
E02D3/00;E02D5/80;E21D20/00
主分类号
E02D3/00
代理机构
代理人
主权项
地址
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