00411 a2200145 4500 9558425222 891.483 WIC 4718 6112 වික්‍රමසිංහ, ඩී.පී. මග දිගට ජනකතා - 2 කොළඹ සුරීය 2001 2001 151p. 21cm. Metrology and standardization L 33638 33638 0 0 0 0 LEN MAIN MAIN LEN 2008-08-28 1 891.483WIC 12565 2023-10-20 00:00:00 2023-05-10 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2008-08-28 1 891.483WIC 12566 2026-03-20 00:00:00 2026-03-12 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-08-12 3 891.483WIC 57928 2019-11-14 00:00:00 2019-11-08 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-08-13 2 891.483WIC 57929 2021-04-21 00:00:00 2019-12-23 0.00 2016-10-31 L