DIN 53943-2
DIN 53943-2
Testing of textiles; state of maturity of cotton fibres, microscopic method, swelling in caustic soda solutionstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1978
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1978