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...
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| 格式: | 電子 軟件 電子書 |
| 語言: | English |
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