TY  - BOOK
TI  - Lift and escalator mechanic- sector : power generation, transmission, distribution, eiring and electrical equipment- trade theory- 2nd semester( 2 years)
U1  - 621.8676 
PY  - 2016///
CY  - Chennai
PB  - National Instructional Media Institute
KW  - Escalators
KW  - Machine engineering
ER  -