Non - cellulosic papers for electrical purposes - part 3 : specifications for individual materiels - sheet 1 : filled glass paper 电气用非纤维素纸.第3部分:专用材料规范.活页1 :填充玻璃砂纸
2.
Non - cellulosic papers for electrical purposes - part 3 : specifications for individual materials ; sheet 1 : filled glass paper 电工用非纤维素纸.第3部分:单项材料规范.第1活页:填充玻璃砂纸