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发明名称
LOUDSPEAKER SYSTEM
摘要
申请公布号
CS267623(B1)
申请公布日期
1990.02.12
申请号
CS19870008258
申请日期
1987.11.18
申请人
NOVAK JOSEF ING.,CS
发明人
NOVAK JOSEF ING.,CS
分类号
H04R3/14;H04R3/12;(IPC1-7):H04R3/14
主分类号
H04R3/14
代理机构
代理人
主权项
地址
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