JJF 1941-2021
光学仪器检具校准规范
Calibration Specification for Material Measures of Length Measuring Instrument with Optical Principle
- 标准号
- JJF 1941-2021
- 发布
- 2021年
- 发布单位
- 国家计量技术规范
- 当前最新
- JJF 1941-2021
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