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发明名称
OPTICAL METRONOME: SHEET MUSIC ILLOMINATOR
摘要
申请公布号
NZ178311(A)
申请公布日期
1978.12.18
申请号
NZ19750178311
申请日期
1975.08.06
申请人
DEL CASTILLO VON HAUKE J
发明人
DEL CASTILLO VON HAUKE J
分类号
G04F5/02
主分类号
G04F5/02
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代理人
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地址
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