GB 5135.11-2025

Automatic sprinkler systems—Part 11: Grooved pipe couplings and fittings

STANDARD published on 31.10.2025

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The information about the standard:

Designation standards: GB 5135.11-2025
Note: Execute Date: november 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Category: Technical standards GB