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INSTALLATION OF ALARM AND ELECTRIC LIGHTING FOR BUILDINGS.
INSTALLATION OF ALARM AND ELECTRIC LIGHTING FOR BUILDINGS.
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机译:安装警报和建筑电气照明。
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摘要
An electric lighting installation in which is provided at least one central control panel for each light point group, an auxiliary switch which is connected in a parallel circuit with the corresponding local switch, and for each light point or light point group, a corresponding indicator, such as an indicator lamp. The lighting installation can be combined with an efficient alarm system.
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