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发明名称
(B1) ;MICROPHONE
摘要
申请公布号
PL220719(A1)
申请公布日期
1981.07.24
申请号
PL19790220719
申请日期
1979.12.21
申请人
ZAKLADY WYTWORCZE GLOSNIKOW UN
发明人
BIALEK IRENA;KOSTRZEWSKI RYSZARD;POPLAWSKI JERZY
分类号
H04R;H04R1/28;(IPC1-7):H04R/
主分类号
H04R
代理机构
代理人
主权项
地址
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