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发明名称
ELEKTROAKUSTYCZNY NISKONAPIECIOWY PRZETWORNIK POJEMNOSCIOWY,ZWLASZCZA MIKROFON
摘要
申请公布号
PL104568(B1)
申请公布日期
1979.08.31
申请号
PL19760189945
申请日期
1976.05.28
申请人
发明人
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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