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经营范围
发明名称
RAILWAY SWITCHES
摘要
申请公布号
GB8321138(D0)
申请公布日期
1983.09.07
申请号
GB19830021138
申请日期
1983.08.05
申请人
GRANT LYON EAGRE LTD
发明人
分类号
E01B7/04;(IPC1-7):E01B7/18
主分类号
E01B7/04
代理机构
代理人
主权项
地址
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