ASTM B 787/B 787M 连续绝缘用19股金属线组合单层绞线铜导线标准规范
日期:2012-02-08 10:04
ion unilay-stranded shall be used in place of conductor classification.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3.1 For conductor sizes designated by AWG or kcmil, the requirements in SI units have been numerically conv
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