We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Designation standards: GB/T 642-1999
Publication date standards: 16.9.1999
SKU: NS-887902
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-11-10 (Number of items: 2 209 227)
© Copyright 2026 NORMSERVIS s.r.o.