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发明名称
TRANSDUCTEUR ACOUSTIQUE
摘要
申请公布号
FR2521381(B2)
申请公布日期
1987.11.27
申请号
FR19820002530
申请日期
1982.02.09
申请人
LECTRET SA
发明人
PRESTON VINCENT MURPHY ET GUY MAURER;MAURER GUY
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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