00374nam a2200157Ia 4500 1562 Ost 20260507154635.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 604.2 H814E Houghton, P. S. Engineering drawing & drawing office practice / Houghton, P. S. BK 1459 1459 0 0 0 0 NITTTR NITTTR 2026-05-07 0 604.2 H814E 1299 2026-05-07 15:46:35 2026-05-07 BK