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发明名称
Microphone unit
摘要
申请公布号
GB2064265(A)
申请公布日期
1981.06.10
申请号
GB19790041510
申请日期
1979.11.30
申请人
PYE (ELECTRONIC PRODUCTS) LTD
发明人
分类号
H04R1/22;H04R19/04;(IPC1-7):H04R1/28
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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