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发明名称
CHROMATIC KEYBOARD FOR A MUSICAL INSTRUMENT
摘要
申请公布号
IL101917(D0)
申请公布日期
1992.12.30
申请号
IL19920101917
申请日期
1992.05.18
申请人
SAMUEL EPSTEIN;ESTHER EPSTEIN
发明人
分类号
G10C;(IPC1-7):G10C/
主分类号
G10C
代理机构
代理人
主权项
地址
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