< P > according to the general administration of quality supervision, inspection and quarantine and national standards committee issued the law of the People's Republic of China national standard announcement no. 23, 2017, the new revision of the recommended national standards GB/T 9473 -
2017 'reading and writing assignment desk lamp
performance requirements', will come into effect on April 1, 2018, will replace the GB/T9473 -
< / P > < P > this standard specifies with tungsten filament lamp, fluorescent lamp or LED as light source, the power supply voltage not over 250 v, speaking, reading and writing homework performance requirements of the lamp.
Applicable to the family, the classroom and similar places a literacy lighting the desk lamp of desk lamp and declared that 'eye'.
< / P > < P > the standard drafting unit: the national center for quality supervision and inspection of lamps and lanterns, sunshine lighting electric appliance group co. , LTD. , zhejiang guang Yang electric appliance co. , LTD. , zhongshan city, Shanghai think science and technology development co. , LTD. , foshan, litres of photoelectric co. , LTD. , the national electric light source quality supervision and inspection center (
, Shanghai times lighting electrical co. , LTD.
< / P > < P > main draftsman of the standard: heavens, zheng dong, Chen Shaofan, Xu Li, Wang Qingping, Yang Yue, Liu Lei.
< / P > < P > in addition, another LED the national standard GB/T 34428.
2017 'regulations of highway communication monitoring facilities part 3: LED variable message sign' will be on April 1, 2018.
< / P > < P > < / P >
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