LST 1763.3.420 iki 422-2001
Specification for flexible insulating sleeving. Part 3: Specification requirements for individual types of sleeving. Sheets 420 to 422: Polyethylene terephthalate textile with acrylic based coating [HD 523.3.420 to 422 S1:1993 (IEC 60684-3-420 to 422:1991