000 00405nam a22001457a 4500
003 OSt
008 090807t xxu||||| |||| 00| 0 eng d
082 _a621.873.25
110 _aIndian standards institution
240 _aIndian standard
245 _aCode of practice for design of tower cranes
260 _aNew Delhi
_bIndian standards institution
_c1972
653 _aIS:6521(Part 1)-1972
942 _cISI
999 _c336256
_d336256