TY  - GEN
AU  - 3G E-Learning
TI  - RAC servicing PACU/CRE (Package type airconditioning Unit/Commercial Refrigeration Equipment): Advanced (In compliance with NC II) 
U1  - CD 621.56 R1181 2019 
PY  - 2019///
CY  -  
PB  - 3G E-Learning
N1  - NPM
ER  -