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Escape apparatus for building fire—Part 8: Chemical oxygen respiratory protective devices for self-rescue from fire
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STANDARD published on 31.12.2025
Designation standards: GB 21976.8-2025
Note: Execute Date: january 2027
Publication date standards: 31.12.2025
SKU: NS-1255422
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-08-31 (Number of items: 2 298 959)
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