000 00269nam a2200097Ia 4500
008 241115s9999 xx 000 0 und d
245 0 _aConcrete Technology (Use of IS 10262 & IS 456 codes is permitted)
260 _cAPR / MAY 2023
650 _aU18CEE0001
942 _cQB
999 _c190324
_d190324