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发明名称
Improvements in crossovers for railway lines
摘要
申请公布号
GB904493(A)
申请公布日期
1962.08.29
申请号
GB19600014762
申请日期
1960.04.27
申请人
THE CEMENTATION COMPANY LIMITED
发明人
HENDERSON JAMES
分类号
B61J1/08
主分类号
B61J1/08
代理机构
代理人
主权项
地址
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