ASTM B784 绝缘电缆用改进的同芯绞捻铜导线标准规范
日期:2012-02-08 10:03
nd units. for conductor sizes designated by SI units only, the requirements are stated or derived in SI units.
1.3.1 For density, resitivity and temperature, the values stated in SI units are to be regarded as standard.
Note 1The significant differences in this specification from Specification B 8 are as follows: (1) The central core is permitted to contain up to seven wires drawn into the assembly with an infinite length of lay while Specification B 8 permits only one, and (2) The construction
7/9 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
12/22 09:33