000 00311nam a22001337a 4500
005 20210827122550.0
008 210827b ||||| |||| 00| 0 eng d
041 _aeng
100 _aSingh Gurcharan
245 _aCivil engineering drawing
260 _aN Delhi
_bStandard
_c1986
300 _a391
942 _cBK
999 _c62763
_d62763