000
00290nam a2200109Ia 4500
008
220201s1968 xx 000 0 eng d
100
_a
Indian Standard Institute
245
0
_a
IS:4492-1968 Specification for welded v block
260
_b
ISI Manak bhawan
_c
1968
300
_a
12
942
_2
ddc
999
_c
77325
_d
77325