4WT-B means Four Wire, Base mounted smoke detector with Thermal Detector in
Commercial
Similar to 4WT-B
ACFX - Air-Cooled Flooded Chiller
ACFZ - Arctic Cooling FreeZer
ACG - Additive Congruential Generator
ACG - All Condition Gear
ACH - Absorption Chiller Heater
ACID - Amstrad Cartridge Identification Device
ACLD - Active Constrained Layer Damping
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