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发明名称
Improvements in or relating to toys, display devices and the like
摘要
申请公布号
GB768869(A)
申请公布日期
1957.02.20
申请号
GB19550002854
申请日期
1955.01.31
申请人
SAMUEL MARTYN
发明人
分类号
A63H3/00
主分类号
A63H3/00
代理机构
代理人
主权项
地址
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