Video: Voice Alarm vs. Siren - the Comparison
29.08.2012
- Video: Voice alarm vs. siren alarm - and the engineer standards in Austria.
Life safety communication and voice alarm system are designed to provide rapid and orderly evacuation. ...
Video: Voice alarm vs. siren alarm - and the engineer standards in Austria.
Life safety communication and voice alarm system are designed to provide rapid and orderly evacuation. Read about the current engineer standards in Europe - in one of the upcoming issues of GIT SECURITY.
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