RS ISO 15874-1:2013/Amd 1:2022 PLASTICS PIPING SYSTEMS FOR HOT AND COLD
WATER INSTALLATIONS — POLYPROPYLENE (PP) —
PART 1: GENERAL
15,000.00
19
285,000.00
4
Rwanda Standards
RS ISO/IEC 24773-1: 2019 SOFTWARE AND SYSTEMS ENGINEERING —
CERTIFICATION OF SOFTWARE AND SYSTEMS
ENGINEERING PROFESSIONALS —
PART 1: GENERAL REQUIREMENTS