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发明名称
Improvements in mechanical toys
摘要
申请公布号
GB484180(A)
申请公布日期
1938.04.19
申请号
GB19360020557
申请日期
1936.07.24
申请人
JOHANN GOTTHELF DIETRICH
发明人
分类号
A63H3/18
主分类号
A63H3/18
代理机构
代理人
主权项
地址
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