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发明名称
ACOUSTO-ELECTRIC SIGNAL TRANSLATION SYSTEM
摘要
申请公布号
US3609602(A)
申请公布日期
1971.09.28
申请号
USD3609602
申请日期
1968.03.04
申请人
ZENITH RADIO CORP.
发明人
ADRIAN J. DE VRIES;FLEMING DIAS
分类号
H03H9/145;(IPC1-7):H03H9/00
主分类号
H03H9/145
代理机构
代理人
主权项
地址
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