49 CFR § 571.218 - Standard No. 218; Motorcycle helmets. | Electronic Code of Federal Regulations (e-CFR) | US Law | LII / Legal Information Institute
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49 CFR § 571.218 - Standard No. 218; Motorcycle helmets. | Electronic Code of Federal Regulations (e-CFR) | US Law | LII / Legal Information Institute
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Applied Sciences | Free Full-Text | FE Analysis of Motorcycle Helmet Performance under Severe Accidents
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