000
00251nam a2200121Ia 4500
100
_a
GUPTA.R.B
365
_c
RS
365
_d
1
942
_c
ENGBK
245
_a
Engineering Drawing
260
_b
Satya prakashan
_c
1991
_a
NEW DELHI
300
_a
II+435+374
999
_c
2945
_d
2945