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发明名称
Устройство для включения микрофона
摘要
申请公布号
SU26354(A1)
申请公布日期
1932.05.31
申请号
SU19310083289
申请日期
1931.02.11
申请人
GOLDMAN G.S.
发明人
GOLDMAN G.S.
分类号
H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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