RS ISO 1920-2: 2016 TESTING CONCRETE — PART 2: PROPERTIES OF FRESH CONCRETE
85,500.00
4
342,000.00
2
Rwanda Standards
RS ISO 14644-2: 2015 CLEANROOMS AND ASSOCIATED CONTROLLED ENVIRONMENTS — PART 2: MONITORING TO PROVIDE EVIDENCE OF CLEANROOM PERFORMANCE RELATED TO AIR CLEANLINESS BY PARTICLE CONCENTRATION
