000
00309nam a2200121Ia 4500
008
220201s1976 xx 000 0 eng d
100
_a
IS 696 1972
245
0
_a
IS : CODE OF PRACTICE FOR GENERAL ENGINEERING DRAWING
250
_a
1
260
_a
DELHI
_b
ISI MANAK BHAWAN
_c
1976
300
_a
82
942
_2
ddc
999
_c
89884
_d
89884