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发明名称
SOUND TRANSDUCER AND METHOD HAVING LIGHT DETECTOR FOR DETECTING DISPLACEMENT OF TRANSDUCER DIAPHRAGM
摘要
申请公布号
KR20010012328(A)
申请公布日期
2001.02.15
申请号
KR1019997010280
申请日期
1999.11.06
申请人
发明人
分类号
H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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