000 00221nam a2200073 4500
080 _a
_b
245 _aIS: 3696 (part 2) - 1991; Scaffolds and ladders - code of safety Part 2 Ladders
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1991
300 _a4p
999 _c34718
_d34718