000
00247nam a2200097Ia 4500
008
220601s9999 xx 000 0 eng d
100
_a
Gill,,
245
0
_a
Text book of Machine Drawing
260
_a
New Delhi
_b
S.K.KATARIA & SONS
942
_2
ddc
_c
BTECH
999
_c
3744
_d
3744