DIN 7742-2
DIN 7742-2 Cellulose ester (CA, CP, CAB) moulding materials; preparation of specimens and determination of their properties
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1990
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1990