RS ISO 14732: 2013 WELDING PERSONNEL — QUALIFICATION TESTING OF WELDING OPERATORS AND WELD SETTERS FOR MECHANIZED AND AUTOMATIC WELDING OF METALLIC MATERIALS
21,000.00
18
378,000.00
3
Rwanda Standards
RS ISO 7890-3: 1988 WATER QUALITY — DETERMINATION OF NITRATE — PART 3: SPECTROMETRIC METHOD USING SULFOSALICYLIC ACID