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发明名称
Bandwidth compression and expansion system for transmission of speech
摘要
申请公布号
US3183310(A)
申请公布日期
1965.05.11
申请号
US19620200243
申请日期
1962.06.05
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
GABOR DENNIS
分类号
G11B20/00;H04B1/66
主分类号
G11B20/00
代理机构
代理人
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