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DEVICE FOR AUTOMATIC SWITCHING-IN OF FIRE-FIGHTING EQUIPMENT
DEVICE FOR AUTOMATIC SWITCHING-IN OF FIRE-FIGHTING EQUIPMENT
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机译:消防设备自动投入装置
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摘要
the device относитс to the field of automation, in particular to devices of electrical fire alarm, and вл етс усовершенстванием known devices in 2009. no. 1282178.purpose изобретени вл етс incre
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