RS ISO 21138-1: 2020 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE —
STRUCTURED-WALL PIPING SYSTEMS OF
UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U),
POLYPROPYLENE (PP) AND POLYETHYLENE (PE) —
PART 1: MATERIAL SPECIFICATION AND PERFORMANCE
CRIT
25,500.00
8
204,000.00
2
Rwanda Standards
RS ISO 1043-2: 2011 PLASTICS — SYMBOLS AND ABBREVIATED TERMS — PART 2: FILLERS AND REINFORCING MATERIALS
6,000.00
50
300,000.00
3
Rwanda Standards
RS 451-2: 2021 CONSERVATION OF CULTURAL HERITAGE —
PART 2: GENERAL REQUIREMENTS FOR DESIGN OF
SHOWCASES FOR EXHIBITION AND PRESERVATION
OF CULTURAL PROPERTY
