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 GB/T 23687-2009  
Guide of environMentally conscious design for ICT & CE products

信息通信技术和消费电子产品的环境意识设计导则
 GB/T 23689-2009  
Guide of environMentally conscious declaration for ICT & CE products

信息通信技术和消费电子产品环境意识设计声明导则
 GB/T 6609.32-2009  
CheMical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction

氧化铝化学分析方法和物理性能测定方法 第32部分:a-三氧化二铝含量的测定 X-射线衍射法

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