标题: ASTM B 33-2004 Standard Specification for Tinned Soft or Annealed Copper Wire fo [打印本页] 作者: alldoing1 时间: 2018-5-17 13:02:12 标题: ASTM B 33-2004 Standard Specification for Tinned Soft or Annealed Copper Wire fo
ASTM B 33-2004 Standard Specification for Tinned Soft or Annealed Copper Wire for Electrical Purposes
电气用镀锡软或退火铜线标准规范 作者: admin 时间: 2018-5-17 16:59:00