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发明名称
Improvements in or relating to toy pianos and like musical toys
摘要
申请公布号
GB838934(A)
申请公布日期
1960.06.22
申请号
GB19570009741
申请日期
1957.03.25
申请人
CHAS. E. METHVEN LIMITED
发明人
HARWOOD-JONES DENNIS
分类号
G10C3/16
主分类号
G10C3/16
代理机构
代理人
主权项
地址
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