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发明名称
ACOUSTIC REPRODUCER
摘要
申请公布号
JPS52152717(A)
申请公布日期
1977.12.19
申请号
JP19770050619
申请日期
1977.04.30
申请人
BANG & OLUFSEN AS
发明人
KUNATSUDO ERITSUKU BEEKUGAADO
分类号
H04R3/14;H04R3/00
主分类号
H04R3/14
代理机构
代理人
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