This part of the standard specifies requirements for construction, design, performance, marking and userinformation for ear-muffs fitted to an industrial helmet which complies with EN 397.
EN 352-3:2002 history
2020EN 352-3:2020 Hearing protectors - General requirements - Part 3: Earmuffs attached to head protection and/or face protection devices
2002EN 352-3:2002 Hearing protectors - General requirements - Part 3: Ear-muffs attached to an industrial safety helmet
1996EN 352-3:1996 Hearing Protectors - Safety Requirements and Testing - Part 3: Ear-Muffs Attached to an Industrial Safety Helmet