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  4. Standard "GB/T 51421-2020"
Standard GB/T 51421-2020 16.1.2020 preview

GB/T 51421-2020

Technical standard of communication pole line engineering for aerial optical(copper)cable

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STANDARD published on 16.1.2020


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The information about the standard:

Designation standards: GB/T 51421-2020
Publication date standards: 16.1.2020
SKU: NS-1175244
Country: Chinese technical standard
Category: Technical standards GB

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