transmission filter indicator
air filter service indicator
filter service indicator
blood transfusion filter
cab transmission oil filter indicator
circait-switched data-transmission service
circuit switch data transmission service
circuit-switched data-transmission service
Data Transmission Service
filter transmission band
improved transmission filter
improved transmission filter group
induced transmission filter
International Television Transmission Service
leased circuit data transmission service
leased line data transmission service
Multi-service Transmission
Multi-service transmission platform
Multi-Service Transmission Platform(MSTP)