RS ASTM D4402/D4402M-15 STANDARD TEST METHOD FOR VISCOSITY DETERMINATION OF ASPHALT AT ELEVATED TEMPERATURES USING A ROTATIONAL VISCOMETER
6,000.00
9
54,000.00
2
Rwanda Standards
RS ISO 11201: 2010 ACOUSTICS — NOISE EMITTED BY MACHINERY AND EQUIPMENT — DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS IN AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE WITH NEGLIGIBLE ENVIRONMENTAL CORRECTIONS
