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GB/T 14634.4-2002  China national standard english version:

　
GB
中华人民共和国国家标准
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 14634.4-2002

Test methods of rare earth three-band phosphors for fluorescent lamps--Determination of particle size distribution by electric sensing zone technique
灯用稀土三基色荧光粉试验方法 电传感法粒度分布测定
Issued Date:2002-11-19 　 Implemented Date:2003-06-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 14634.4-2002
Standard Category China National Standards
GB Standard English Title Test methods of rare earth three-band phosphors for fluorescent lamps--Determination of particle size distribution by electric sensing zone technique
GB Standard Chinese Title 灯用稀土三基色荧光粉试验方法 电传感法粒度分布测定
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