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发明名称
SELF-TESTED EMERGENCY LIGHTING SYSTEM WITH INFRA-RED REMOTE CONTROL
摘要
申请公布号
HK1134888(A2)
申请公布日期
2010.05.14
申请号
HK20090111358
申请日期
2009.12.03
申请人
S & L ENGINEERING SERVICES LTD.
发明人
BUT CHI SING;KUNG CHI YAU
分类号
F21S;H02J;H05B
主分类号
F21S
代理机构
代理人
主权项
地址
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