000
00272nam a2200121Ia 4500
008
220201s1983 xx 000 0 eng d
100
_a
AGGARWAL D D
245
0
_a
MACHINE DRAWING
250
_a
3
260
_a
DELHI
_b
VIKAS PUB HOUSE
_c
1983
300
_a
443
942
_2
ddc
999
_c
90279
_d
90279