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发明名称
SPEAKER SYSTEM
摘要
申请公布号
GB8714654(D0)
申请公布日期
1987.07.29
申请号
GB19870014654
申请日期
1987.06.23
申请人
SASAKI GLASS CO LTD
发明人
分类号
A63J17/00;H04R1/02;H04R1/32;(IPC1-7):H04N1/00
主分类号
A63J17/00
代理机构
代理人
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地址
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