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Chinese National Standard Category: Ceramic and glass in general |
English Title: | Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors |
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 |
Standard No.: | GB/T 2680-2021 |
Category No.: | Q30 |
Issued by: | SAMR; SAC |
Issued on: | 2021-03-09 |
Implemented on: | 2021-10-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB/T 2680-1994 Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors |
Word Count: | 14500 words |
Similar Standards: | CNCA 04C-028-2006 T/GDACERCU 0019-2021 T/ZBH 019-2021 T/CBMCA 023-2021 GB/T 43300-2023 GB/T 43296-2023 GB/T 43307-2023 GB/T 42788-2023 GB/T 30020-2023 GB/T 41743-2022 GB/T 39749-2021 GB/T 39809-2021 GB/T 39696-2020 GB/T 39815-2021 GB/T 2680-2021 GB/T 39814-2021 GB/T 37780-2019 GB/T 37781-2019 GB/T 37900-2019 GB/T 37784-2019 |
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