WebLighting (GB 19043), the Energy Efficiency Limits and Energy Efficiency Evaluation Value for Single-ended Fluorescent Lamp (GB 19415), the Energy Efficiency Limits and Energy … WebGB1111251A GB30253/66A GB3025366A GB1111251A GB 1111251 A GB1111251 A GB 1111251A GB 30253/66 A GB30253/66 A GB 30253/66A GB 3025366 A GB3025366 A GB 3025366A GB 1111251 A GB1111251 A GB 1111251A Authority GB United Kingdom Prior art keywords iron ore direct reduction relating shaft furnaces distributer Prior art date 1965 …
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GB 30253-2013 永磁同步电动机能效限定值及能效等级 标准全文
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