Supply Of Calibrated Bhn Test Blockcalibrated Bhn Test Block, Calibrated Bhn Test Block ( 3000 Kgf / 10 Mm ) : 1. 280 Bhn - 5 Nos., 2. 290 Bhn - 10 Nos., 3. 300 Bhn - 15 Nos., 4. 310 Bhn - 15 Nos. 5. 320 Bhn- 10 Nos. ( Reference Is:2281 / 2005 & 4132 / 2005 ) With Calibration Certificate By Nabl Accredited Lab. In Favour Of Chemical & Metallurgical Laboratory, Rwp, Bela