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发明名称
Electronic metronome
摘要
申请公布号
US2522492(A)
申请公布日期
1950.09.19
申请号
US19460673199
申请日期
1946.05.29
申请人
CRYSTAL RESEARCH LABORATORIES, INCORPORATED
发明人
ANDERSEN WALTHER M. A.
分类号
G04F5/02
主分类号
G04F5/02
代理机构
代理人
主权项
地址
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