000
00239nam a2200097Ia 4500
008
231002s9999 xx 000 0 und d
090
_a
621.3
100
0
_a
R.K. Dhawan
245
0
0
_a
A Textbook Of Machine Drawing
260
_b
S. Chand & Company
999
_c
11696
_d
11696