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发明名称
Improvements in or relating to musical instruments
摘要
申请公布号
GB401896(A)
申请公布日期
1933.11.23
申请号
GB19320034621
申请日期
1932.12.07
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHILOSE TELEGRAPHIE M.B.H.
发明人
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
主权项
地址
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