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真空氦漏孔校准规范 Calibration Specification for Vacuum Helium Leaks
发布日期: 2020-01-17
实施日期: 2020-04-17
本规范适用于漏率值在 (1×10^(-10)~1×10^(-4))Pa·m³/s 范围内的真空氦漏孔的校准
分类信息
发布单位或类别: 中国-国家计量技术规范
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