https://www.vde-verlag.de/iec-normen/208105/iec-60684-3-151-1998.html
IEC 60684-3-151:1998 - IEC-Normen - VDE VERLAG
IEC 60684-3-151:1998 | Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 151: Extruded PVC/nitrile rubber - General
iecnormenvdeverlag