RS 353-4: 2018 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION — PART 4: SODIUM CHLORIDE
19,500.00
64
1,248,000.00
2
Rwanda Standards
RS ISO 8504-1: 2019 PREPARATION OF STEEL SUBSTRATES BEFORE
APPLICATION OF PAINTS AND RELATED PRODUCTS
— SURFACE PREPARATION METHODS —
PART 1: GENERAL PRINCIPLES
7,500.00
73
547,500.00
3
Rwanda Standards
RS ISO 7890-3: 1988 WATER QUALITY — DETERMINATION OF NITRATE — PART 3: SPECTROMETRIC METHOD USING SULFOSALICYLIC ACID
