000 00235nam a2200073 4500
080 _a
_b
245 _aIS: 1731 - 1971; Dimensions for Steel Flats for Structural and General Engineering Purposes
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1971
300 _a6p
999 _c31887
_d31887