RS ISO 1920-6: 2019 TESTING OF CONCRETE — PART 6: SAMPLING, PREPARING AND TESTING OF CONCRETE CORES
10,500.00
20
210,000.00
2
Rwanda Standards
RS ISO 24521: 2016 ACTIVITIES RELATING TO DRINKING WATER AND WASTEWATER SERVICES — GUIDELINES FOR THE MANAGEMENT OF BASIC ON-SITE DOMESTIC WASTEWATER SERVICES
