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发明名称
RAILWAY SWITCHING POINTS
摘要
申请公布号
GB1568878(A)
申请公布日期
1980.06.11
申请号
GB19770027607
申请日期
1977.07.01
申请人
GESTIVALMO SA HOLDING
发明人
分类号
E01B7/02;E01B7/26;(IPC1-7):E01B7/02
主分类号
E01B7/02
代理机构
代理人
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