Protective helmets A 9.7.21

防护头盔

Chinese 防护头盔

English Protective helmets

Spanish Cascos protectores

Code: A 9.7.21
Category: 9.7 Headwear
Version: Vienna Classification, 10th edition (VCL 10, in force from 1 Jan 2026); English from the WIPO official text, Chinese is a J&C reference translation

Notes

注（WIPO 原文）：Not including helmets as parts of armour (23.5.5) and Mercury's helmet (with wings) (24.11.14).