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  4. Standard "GB/T 38439-2019E"
Standard GB/T 38439-2019E 31.12.2019 preview

GB/T 38439-2019E

Measuring specifications for methods to obtrusive light of outdoor lighting

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STANDARD published on 31.12.2019


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The information about the standard:

Designation standards: GB/T 38439-2019E
Publication date standards: 31.12.2019
SKU: NS-1191470
Country: Chinese technical standard
Category: Technical standards GB

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Latest update: 2026-09-02 (Number of items: 2 300 083)
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