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发明名称
Audio signal system
摘要
申请公布号
US3204358(A)
申请公布日期
1965.09.07
申请号
US19610089011
申请日期
1961.02.13
申请人
JONES CLAYTON C
发明人
JONES CLAYTON C.
分类号
G09B5/06;G09B29/10
主分类号
G09B5/06
代理机构
代理人
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地址
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