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经营范围
发明名称
NARROW DIRECTIVITY MICROPHONE
摘要
申请公布号
JPH11331978(A)
申请公布日期
1999.11.30
申请号
JP19980128372
申请日期
1998.05.12
申请人
AUDIO TECHNICA CORP
发明人
AKINO YUTAKA
分类号
H04R1/34;(IPC1-7):H04R1/34
主分类号
H04R1/34
代理机构
代理人
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地址
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