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发明名称
ELECTROMAGNETIC TRANSDUCERS
摘要
申请公布号
HK32286(A)
申请公布日期
1986.05.16
申请号
HK19860000322
申请日期
1986.05.08
申请人
AT&T TECHNOLOGIES, INCORPORATED
发明人
RICHARD MYRON HUNT
分类号
H04R13/00;H04R11/00;H04R25/00;(IPC1-7):H04R11/00
主分类号
H04R13/00
代理机构
代理人
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地址
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