000
00209nam a2200073 4500
080
_a
_b
245
_a
IS: 1173 - 1957; Specification for Rolled Steel Section, Tee Bars
700
_a
INDIAN STANDARDS INSTITUTION
260
_a
New Delhi
_b
BIS
_c
1957
300
_a
5p
999
_c
24406
_d
24406