NBN EN ISO 13691-2003 标准详情
- 标准号:NBN EN ISO 13691-2003
- 中文标题:
- 英文标题:Petroleum And Natural Gas Industries - High-speed Special-purpose Gear Units
- 标准类别:比利时标准NBN
- 发布日期:
Specifies the minimum requirements for enclosed, precision, single and double helical, one- and two-stage speed increasers and reducers of parallel shaft design with pinion speeds of 3000 min[-1] or greater, or pitch line velocities of 25 m/s or grea
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