UNE 21170-4-2:1993被替代
Common Test Methods For Insulating And Sheating Materials Of Electric Cables - Part 4: Methods Specific To Polyethylene And Polypropylene Compounds - Section 2: Elongation At Break After Pre-conditioning - Wrapping Test Pre-conditioning - Wrapping Test After Thermal Ageing In Air - Measurement Of Mass Increase Long-term Stability Test (appendix A) - Test Method For Copper
出版：Asociacion Espanola de Normalizacion
专家解读视频
