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发明名称
Klaviatur für Pianos, Flügel und ähnliche Tasten-Musikinstrumente.
摘要
申请公布号
CH249145(A)
申请公布日期
1947.06.15
申请号
CHD249145
申请日期
1946.05.14
申请人
PIANOFABRIK BURGER & JACOBI AG.
发明人
AG. PIANOFABRIK BURGER & JACOBI
分类号
G10C3/12
主分类号
G10C3/12
代理机构
代理人
主权项
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