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卡丁车分类与注册
Kart classification and homologation
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普及(娱乐)类卡丁车通用技术条件
Common techniai conditions for popular karting
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竞赛类卡丁车通用技术条件
Common techniai conditions for racing kartig
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运动水壶的安全要求
Safety requirement of sporting canteen
价格:¥0.00
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国民体质测试器材 通用要求
General requirements.Testing equipment of national physical fitness
价格:¥0.00
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