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Active standard | Published: 28/12/2023
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
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 916.80 USD
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Detail information
Designation: GB/T 31308.4-2023
Publication date: 28/12/2023
Pages: 0
Country: Chinese technical standard
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