英文標(biāo)準(zhǔn)名稱:Test methods of rare earth three-band phosphors for fluorescent lamps - Part 2: Determination of emission dominantpeak and chromaticity
英文標(biāo)準(zhǔn)名稱:Test methods of rare earth three-band phosphors for fluorescent lamps - Part 2: Determination of emission dominantpeak and chromaticity