F34 标准查询与下载
共找到 3 条与 相关的标准，共 1 页
Varnished fabrics for electrical purposes. Part 1: Definitions and general requirements
- ICS
- CCS
- F34
- 发布
- 1992-12
- 实施
Solid electroinsulating materials. Method for permitivity and lossangle tangent detemination at temperature of 77 K
- ICS
- CCS
- F34
- 发布
- 1991-03-01
- 实施
Prezentul standard stabile?te metoda de determinare a rezisten?ei la arc electric de joas? teasiune a materialelor electroizolante, destinate fabric?rii unor piese care func?ioneaz? sub ac?iunea arcului electric de joas? tensiune ?i curen?i mari. OBSERVA
Solid electric insulating materials. Determination of low voltage arc resistance in direct current
- ICS
- CCS
- F34
- 发布
- 1990-01-01
- 实施
