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发明名称
MICROPHONE
摘要
申请公布号
SU582595(A1)
申请公布日期
1977.11.30
申请号
SU19752137367
申请日期
1975.05.27
申请人
AKHMATOV ANDREJ A,SU;BELYAKOV VIKTOR ,SU;ESTRIN EFIM S,SU
发明人
AKHMATOV ANDREJ A,SU;BELYAKOV VIKTOR ,SU;ESTRIN EFIM S,SU
分类号
H04R19/04;(IPC1-7):H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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