HD 21.7 S1/A1-1992 标准详情
- 标准号：HD 21.7 S1/A1-1992
- 中文标题：修改件1 额定电压450/750 V以下的聚氯乙烯绝缘电缆.第7部分:温度摄氏90度导体内部接线用单芯无护套电缆
- 英文标题：amd 1 polyvinyl chloride insulated cables of rated voltages up to and including 450/750 v part 7: single core non-sheathed cables for internal wiring for a conductor temperature of 90 degrees celsius
- 标准类别：HD标准HD
- 发布日期：1992-01-01
