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发明名称
MAGNETIC FLUID LOUDSPEAKER ASSEMBLY WITH PORTED ENCLOSURE AND METHOD OF DETERMINING PARAMETERS THEREOF
摘要
申请公布号
EP0868829(A1)
申请公布日期
1998.10.07
申请号
EP19970941757
申请日期
1997.09.22
申请人
NORTEL NETWORKS CORPORATION
发明人
VAN SCHYNDEL, ANDRE, JOHN
分类号
H04R1/28;H04R9/02;(IPC1-7):H04R9/02
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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