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发明名称
Electro-mechanical and acoustic transducer for portable terminal unit
摘要
申请公布号
EP0845920(A3)
申请公布日期
1999.05.26
申请号
EP19970120827
申请日期
1997.11.27
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
SAIKI, SHUJI;USUKI, SAWAKO;KUZE, MITSUKAZU
分类号
H04M1/03;H04M19/04;H04R9/06;H04R11/02;(IPC1-7):H04R19/00
主分类号
H04M1/03
代理机构
代理人
主权项
地址
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