TY  - BOOK
AU  - Dev,R.
AU  - Kumar,R.P.
AU  - Narang,K.C.
TI  - Workshop calculations and science(Instrumentation, mechanic refrigeration, air conditioning tool, die, watch and clock maker)
U1  - 621.75 
PY  - 0000///[19-?]
CY  - New Delhi
PB  - New Heights
KW  - workshops
KW  - Mensuration
KW  - Metals
KW  - Welding
KW  - Heat
KW  - Materials
ER  -