000
00198nam a2200073 4500
080
_a
_b
245
_a
IS: 3215 - 1991; Engineers' Drawing Instruments - Needle Points - Specification
100
_a
BIS
260
_a
New Delhi
_b
BIS
_c
1991
300
_a
2p
999
_c
36179
_d
36179