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经营范围
发明名称
Variable Directional Stereo Microphone
摘要
申请公布号
KR100631285(B1)
申请公布日期
2006.10.04
申请号
KR20040095223
申请日期
2004.11.19
申请人
发明人
分类号
H04R1/32
主分类号
H04R1/32
代理机构
代理人
主权项
地址
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