RS ISO 657-1: 1989 HOT-ROLLED STEEL SECTIONS —
PART 1: EQUAL-LEG ANGLES — DIMENSIONS
6,000.00
4
24,000.00
2
Rwanda Standards
RS ISO IEC IEEE 8802-21-1: 2018 INFORMATION TECHNOLOGY —
TELECOMMUNICATIONS AND INFORMATION
EXCHANGE BETWEEN SYSTEMS — LOCAL AND
METROPOLITAN AREA NETWORKS — PART 21-1:
MEDIA INDEPENDENT SERVICES