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经营范围
发明名称
Improvements in or relating to toy railway systems
摘要
申请公布号
GB480799(A)
申请公布日期
1938.03.01
申请号
GB19360025354
申请日期
1936.09.17
申请人
LOUIS MARX & COMPANY INC.
发明人
分类号
A63H19/14
主分类号
A63H19/14
代理机构
代理人
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