00374nam a2200157Ia 4500 8621 Ost 20260507155051.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 604.2 T226E TTTI, Calcutta Engineering drawing Ist year : Teacher manual / TTTI, Calcutta BK 8514 8514 0 0 0 0 NITTTR NITTTR 2026-05-07 0 604.2 T226E 9928 2026-05-07 15:50:51 2026-05-07 BK