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发明名称
Improvements in toy building elements
摘要
申请公布号
GB589922(A)
申请公布日期
1947.07.03
申请号
GB19450003387
申请日期
1945.02.10
申请人
LESLIE GROVES
发明人
分类号
A63H33/08
主分类号
A63H33/08
代理机构
代理人
主权项
地址
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