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发明名称
MICROPHONE
摘要
申请公布号
GB8423698(D0)
申请公布日期
1984.10.24
申请号
GB19840023698
申请日期
1984.09.19
申请人
GIBSON-DAWSON, J
发明人
分类号
H04R1/08;H04R1/22
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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