000
00306nam a2200109Ia 4500
008
220201s1962 xx 000 0 eng d
100
_a
Indian Standard Institute
245
0
_a
IS:1563-1962 Specification for pratractors for use of drawing
260
_b
ISI Manak bhawan
_c
1962
300
_a
11
942
_2
ddc
999
_c
77244
_d
77244