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Standard GB/T 31308.4-2023 28.12.2023 preview

GB/T 31308.4-2023

Processes, data elements and documents in commerce, industry and administration—Long term signature—Part 4: Attributes pointing to proof of existence objects used in long term signature formats

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STANDARD published on 28.12.2023


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916.80 USD

The information about the standard:

Designation standards: GB/T 31308.4-2023
Publication date standards: 28.12.2023
SKU: NS-1164119
Country: Chinese technical standard
Category: Technical standards GB

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IT applications in transport and trade

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