ISO standards free download ISO 20740:2019 pdf download – Martial arts – Wushu Taiji sword – Requirements and test method ISO 20740:2019 pdf download - Martial arts - Wushu Taiji sword - Requirements and test method 1 Scope This document specifies terms and definitions, product structure, requirements, test method and marking of Wushu Taiji (Tai Chi) sword.... 03-06 Read More