Procurement Of 1. Power Supply 12v/-12v/5v (4a/0.6a/10a) Tp-100b. Part No. 77020079, 2. Gas Cleaning System Uv Plus/version 2 And 3. Ad Converter Data Loging Ccd/pm, Part No. Ek0311-2, (make- Spectro Analytical Instruments Gmbh, Germany For All Three Item (EXPIRED)