TY  - BOOK
AU  - Sachdeva, B. R.
TI  - Blueprint reading for the mechanical trades
SN  - 0070966451
U1  - 380SA121b/1980 
PY  - 1980///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Mechanical drawing blue print
N1  - Include Reference Index
ER  -