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发明名称
Improvements in switches or points for mono-track railways
摘要
申请公布号
GB727551(A)
申请公布日期
1955.04.06
申请号
GB19530027379
申请日期
1953.10.06
申请人
ALWEG-FORSCHUNG GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
E01B25/12
主分类号
E01B25/12
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