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发明名称
Wave analysis
摘要
申请公布号
US2463642(A)
申请公布日期
1949.03.08
申请号
US19460714061
申请日期
1946.12.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
POTTER RALPH K.
分类号
G10L21/06
主分类号
G10L21/06
代理机构
代理人
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地址
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