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发明名称
Ceiling loudspeaker
摘要
申请公布号
GB2371164(B)
申请公布日期
2003.01.15
申请号
GB20010001016
申请日期
2001.01.15
申请人
HUNG-MING * LIU
发明人
HUNG-MING * LIU
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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