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经营范围
发明名称
SOUND BOX FREE FROM BACK RADIATED ANTI-PHASE SIGNAL
摘要
申请公布号
HUT42218(A)
申请公布日期
1987.06.29
申请号
HU19850004248
申请日期
1985.11.05
申请人
TOTH,JANOS,HU;TOTH,LAJOS,HU
发明人
TOTH,JANOS,HU;TOTH,LAJOS,HU
分类号
H04R1/28;(IPC1-7):H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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