ISO 9975-1990 标准详情
- 标准号:ISO 9975-1990
- 中文标题:封闭缠绕矿用非合金钢丝绳 规范
- 英文标题:Round non-alloy steel wires for locked coil mine winding ropes; specifications
- 标准类别:国际标准化组织标准ISO
- 发布日期:1990-12
Specifies: a) the dimensional tolerances; b) the mechanical characteristics; c) the conditions with which coatings, if any, shall comply; d) the conditions of sampling and control. Applies to round, bright or zinc-coated wires of nominal diameters be
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