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.
THRESHOLD OF CONFIDENCE OF THE CONCENTRATION VALUES.
STANDARD published on 15.10.1975
Designation standards: UNE 40261-4:1975
Publication date standards: 15.10.1975
SKU: NS-572113
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Latest update: 2026-10-19 (Number of items: 2 306 992)
© Copyright 2026 NORMSERVIS s.r.o.