TY  - BOOK
AU  - Directorate General of employment and Training, Ministry of Labour, Government of India
TI  - Filter 1st year : trade theory
SN  - 8122405096
U1  - 621.94 G721f 1993 
PY  - 1993///
CY  - New Delhi: India
PB  - Wiley Eastern Ltd
KW  - Physics
KW  - Gear- Cutting
KW  - Pipe- threading
KW  - Screwcutting- tools
N1  - Includes Bibliographic Index
ER  -