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发明名称
ELECTRO-ACOUSTIC TRANSDUCER
摘要
申请公布号
EP0314419(A3)
申请公布日期
1991.01.09
申请号
EP19880309987
申请日期
1988.10.24
申请人
SONY CORPORATION
发明人
KAMON, YOSHIYUKI C/O SONY CORPORATION;ISO, MASAHIKO C/O SONY CORPORATION;YAMAGISHI, MAKOTO C/O SONY CORPORATION
分类号
H04R1/08;H04R1/10;H04R1/22;(IPC1-7):H04R1/22
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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