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经营范围
发明名称
Fundamental frequency extractor from speech waves
摘要
申请公布号
US2957134(A)
申请公布日期
1960.10.18
申请号
US19570684205
申请日期
1957.09.16
申请人
发明人
KALFAIAN MEGUER V.
分类号
G10L25/90
主分类号
G10L25/90
代理机构
代理人
主权项
地址
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