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发明名称
DIFFUSING VOLUME ELECTROACOUSTIC TRANSDUCER
摘要
申请公布号
EP0663136(B1)
申请公布日期
1997.04.23
申请号
EP19930922565
申请日期
1993.09.28
申请人
S.A. STAMP
发明人
RIGONDEAU, ROBERT
分类号
H04R7/00;H04R9/06;(IPC1-7):H04R9/06;H04R7/02;H04R9/04
主分类号
H04R7/00
代理机构
代理人
主权项
地址
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