ISO 17-1973 标准详情
- 标准号:ISO 17-1973
- 中文标题:优先数和优先数系的应用指南
- 英文标题:Guide to the use of preferred numbers and of series of preferred numbers
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-04
The best scale will be determined by taking into consideration, in particular, the two following contradictory tendencies: a scale with too wide steps involves a waste of materials and an increase in the cost of manufacture, whereas a too closely spa
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