RS ISO 6504-3: 2019 PAINTS AND VARNISHES — DETERMINATION OF HIDING POWER — PART 3: DETERMINATION OF CONTRAST RATIO OF LIGHT-COLOURED PAINTS AT A FIXED SPREADING RATE (CONFIRMED IN 2015)
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Rwanda Standards
RS ISO 2817:1999 TOBACCO AND TOBACCO PRODUCTS —DETERMINATION OF SILICATE RESIDUES INSOLUBLE IN HYDROCHLORIC ACID
