000
00249nam a22001217a 4500
999
_c
2637
_d
2637
020
_a
9176840211
082
_a
604.02
100
_a
R. B. Gupta
245
_a
Machine Drawing
260
_a
New Delhi
_b
Sumitra Handa
_c
2006
300
_a
791
942
_c
BK