DIN 53345-3
DIN 53345-3 Testing of fat liquors and greases for leather; methods of analysis, determination of water-content and water-miscible solvents
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1978
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1978