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发明名称
Электродинамический микрофон с односторонней характеристикой направленности
摘要
申请公布号
SU73008(A1)
申请公布日期
1947.11.30
申请号
SU19460000033
申请日期
1946.10.04
申请人
IOFE V.K.
发明人
IOFE V.K.
分类号
H04R7/08;H04R9/08
主分类号
H04R7/08
代理机构
代理人
主权项
地址
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