ISO 387-1977 标准详情
- 标准号:ISO 387-1977
- 中文标题:液体比重计;建造和调节原则
- 英文标题:hydrometers; principles of construction and adjustment
- 标准类别:国际标准化组织标准ISO
- 发布日期:1977-09-01
Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surf
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