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DIN EN 1621-1:2013
Motorcyclists' protective clothing against mechanical impact - Part 1: Motorcyclists' limb joint impact protectors - Requirements and test methods; German version EN 1621-1:2012
This European Standard specifies requirements and test methods for limb joint impact protectors incorporated or intended to be incorporated into motorcycle riders' clothing or used as separate items.
Deutsches Institut für Normung [din]