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发明名称
Improvements in toy building blocks
摘要
申请公布号
GB595505(A)
申请公布日期
1947.12.08
申请号
GB19450008386
申请日期
1945.04.05
申请人
HORACE HEMS
发明人
分类号
A63H33/08
主分类号
A63H33/08
代理机构
代理人
主权项
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