作废 SJ/T 9503.4-1991
金属化纸介直流固定电容器质量分等标准 金属化纸介直流固定电容器质量分等标准 Fixed metallized paper dielectric d.c. capacitors--Quality grading standard
发布日期:1991-03-22
实施日期:1991-04-01
分类信息
标准简介
相似标准/计划/法规
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分等电容器固定金属质量

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