Testing of textiles; quantitative analysis of binary mixtures; casein fibers with other fibers; trypsin methodTextile testing; quantitative analysis of binary mixtures; casein fibers with other fibers; trypsin methodDas in dieser Norm a
DIN 54212:1975 history
1975DIN 54212:1975 Testing of textiles; quantitative analysis of binary mixtures, casein fibres with other fibres, trypsin method