RS ISO Guide 31: 2015 REFERENCE MATERIALS — CONTENTS OF CERTIFICATES, LABELS AND ACCOMPANYING DOCUMENTATION
15,000.00
2
30,000.00
2
Rwanda Standards
RS ISO 18451-2: 2018 PIGMENTS, DYESTUFFS AND EXTENDERS — TERMINOLOGY — PART 2: CLASSIFICATION OF COLOURING MATERIALS ACCORDING TO COLOURISTIC AND CHEMICAL ASPECTS
