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ISO 13433:2025/WD Amd 1

Geosynthetics — Determination of dynamic perforation (cone drop test) — Amendment 1

General information

20.20     Jan 30, 2026

ISO

ISO/TC 221

International Standard

59.080.70  

Life cycle

PREVIOUSLY

PUBLISHED
ISO 13433:2025

NOW

IN_DEVELOPMENT
ISO 13433:2025/WD Amd 1
20.20 Working draft (WD) study initiated
Jan 30, 2026