TY  - GEN
AU  - Hajra Choudhury & A.K. Hajra Choudhury & Nirjhar Roy S.K 
TI  - Elements Of Workshop Technology - Volume I - Manufacturing Processes : Hajra Choudhury & A.K. Hajra Choudhury & Nirjhar Roy S.K 
SN  - 8185099146
PY  - 1964///
PB  - Media Promoters & Publishers Pvt. Ltd
ER  -