RS ASTM C311/C311M-22 STANDARD TEST METHODS FOR SAMPLING AND TESTING FLY ASH OR NATURAL POZZOLANS FOR USE IN PORTLAND-CEMENT CONCRETE
15,000.00
231
3,465,000.00
3
Rwanda Standards
RS ISO 11202: 2010 ACOUSTICS — NOISE EMITTED BY MACHINERY AND EQUIPMENT — DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS APPLYING APPROXIMATE ENVIRONMENTAL CORRECTIONS
