China 'GB/T 14634.4-2002
' standard english version:
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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