RS ISO 657-11: 1980 HOT-ROLLED STEEL SECTIONS —
PART 11: SLOPING FLANGE CHANNEL SECTIONS
(METRIC SERIES) — DIMENSIONS AND SECTIONAL
PROPERTIES
3,000.00
2
6,000.00
2
Rwanda Standards
RS 607-4: 2025 GULLY TOPS AND MANHOLE TOPS FOR VEHICULAR AND PEDESTRIAN AREAS — SPECIFICATION — PART 4: GULLY TOPS AND MANHOLE TOPS MADE OF STEEL REINFORCED CONCRETE