DIN 54221:1975 Testing of textiles; quantitative analysis of binary mixtures, polyamide 6 6 or polyamide 6 fibres with other fibres, hydrochloric acid method
Testing of textiles; quantitative analysis of binary mixtures; polyamide 6 6 or polyamide 6 fibers with other fibers; hydro-chloric acid methodEssai des textiles; analysis quantitative des mélanges binaires; fibers de polyamide 6 6 or polyamide 6 with d'a
DIN 54221:1975 history
1975DIN 54221:1975-08 Testing of textiles; quantitative analysis of binary mixtures, polyamide 6 6 or polyamide 6 fibres with other fibres, hydrochloric acid method
1975DIN 54221:1975 Testing of textiles; quantitative analysis of binary mixtures, polyamide 6 6 or polyamide 6 fibres with other fibres, hydrochloric acid method