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发明名称
PLANETARIUM PROJECTOR WITH MULTIMEDIA SPEAKER AND RADIO
摘要
申请公布号
HK1161525(A2)
申请公布日期
2012.07.27
申请号
HK20120101707
申请日期
2012.02.21
申请人
EASTCOLIGHT (HONG KONG) LIMITED
发明人
SZE WEI HUNG
分类号
H04R
主分类号
H04R
代理机构
代理人
主权项
地址
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