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发明名称
Устройство для самокалибровки электроакустических преобразователей
摘要
申请公布号
SU128636(A1)
申请公布日期
1959.11.30
申请号
SU19590626149
申请日期
1959.04.23
申请人
RIVIN A.N.;FAENSON A.I.
发明人
RIVIN A.N.;FAENSON A.I.
分类号
H04R29/00
主分类号
H04R29/00
代理机构
代理人
主权项
地址
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