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经营范围
发明名称
Improvements in miniature upright pianos
摘要
申请公布号
GB524597(A)
申请公布日期
1940.08.09
申请号
GB19390003452
申请日期
1939.02.01
申请人
W. G. EAVESTAFF & SONS LIMITED;ROBERT PERCY BRASTED
发明人
分类号
G10C1/02
主分类号
G10C1/02
代理机构
代理人
主权项
地址
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