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经营范围
发明名称
MICROPHONE SUPPORTING ASSEMBLIES
摘要
申请公布号
GB1541262(A)
申请公布日期
1979.02.28
申请号
GB19760030192
申请日期
1976.07.20
申请人
SONY CORP
发明人
分类号
H04R1/34;H04R1/40;H04R5/027;(IPC1-7):H04R5/00
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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