China 'GB/T 2680-2021 ' standard english version:

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 2680-2021

Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors
建筑玻璃可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定

Issued Date:2021/3/9

Implemented Date:2021/10/1

Issued by:

The Standardization Administration of the People's Republic of China

English Chinese

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GB Standard Code	GB/T 2680-2021
Standard Category	China National Standards
GB Standard English Title	Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors
GB Standard Chinese Title	建筑玻璃可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定
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