ASTM A111-1999a(2009) 标准详情
- 标准号:ASTM A111-1999a(2009)
- 中文标题:电话和电报线路用镀锌"铁"丝的标准规范
- 英文标题:Standard Specification for Zinc-Coated (Galvanized) "Iron" Telephone and Telegraph Line Wire
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1999
1.1 This specification covers two grades of "iron" wire with Class A, Class B, and Class C zinc coatings, suitable for use in telephone, telegraph, and signal transmission. The two grades covered are designated Grade EBB (extra best) and Grade BB (
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