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发明名称
Improvements in and relating to constructional toys
摘要
申请公布号
GB360314(A)
申请公布日期
1931.11.05
申请号
GB19310006264
申请日期
1931.02.27
申请人
FRANZ WALTHER
发明人
分类号
A63H33/10
主分类号
A63H33/10
代理机构
代理人
主权项
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