000
00297nam a2200109Ia 4500
008
220201s1966 xx 000 0 eng d
100
_a
Indian Standard Institute
245
0
_a
IS:3138-1966 Specification for hexagonal bolts & nuts
260
_b
ISI Manak bhawan
_c
1966
300
_a
6
942
_2
ddc
999
_c
77223
_d
77223