UNE EN 61868-1999 标准详情
- 标准号:UNE EN 61868-1999
- 中文标题:
- 英文标题:Mineral Insulating Oils - Determination Of Kinematic Viscosity At Very Low Temperatures
- 标准类别:西班牙国家标准UNE
- 发布日期:
Defines a procedure for the determination of the kinematic viscosity of mineral insulating oils, both transparent and opaque, at very low temperatures, after a cold soaking period of at least 20 h, by measuring the time for a volume of liquid to flow
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