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发明名称
Improvements in and relating to toy railways and vehicles therefor
摘要
申请公布号
GB474640(A)
申请公布日期
1937.11.04
申请号
GB19360017308
申请日期
1936.06.22
申请人
ERNEST MARTIN GRAHAM
发明人
分类号
A63H19/04
主分类号
A63H19/04
代理机构
代理人
主权项
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