2WT-B means Two Wire, Base mounted smoke detector with Thermal detector in
Commercial
Similar to 2WT-B
ACF - Activated Carbon Filter
ACFC - Air Cooled Flooded Chiller
ACFH - Animal Chatter Farm - Horse
ACFMS - Airframe Cumulative Fatigue Monitoring System
ACFX - Air-Cooled Flooded Chiller
ACFZ - Arctic Cooling FreeZer
ACG - Additive Congruential Generator
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