Standard specification for lead-coated and lead-alloy-coated soft copper wire for electrical purposes
This standard is issued under the fixed designation B 189; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. This specification covers lead-coated and lead-alloycoated, round, soft or annealed copper wire...
Saved in:
| 企业作者: | |
|---|---|
| 格式: | 电子 软件 电子书 |
| 语言: | English |
| 主题: | |
| 标签: |
添加标签
没有标签, 成为第一个标记此记录!
|