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发明名称
Improvements in or relating to railway tracks for electric toy trains, tramcars or similar vehicles
摘要
申请公布号
GB728664(A)
申请公布日期
1955.04.27
申请号
GB19520010809
申请日期
1952.04.29
申请人
INGEMAN HJORTBORG
发明人
分类号
A63H19/30
主分类号
A63H19/30
代理机构
代理人
主权项
地址
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