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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YY/T 0457.4-2003 |
Medical electrical equipment. Characteristics of electro-optical X-ray image intensifiers. Part 4: Determination of the image distortion 医用电气设备 光电x射线影像增强器特性 第4部分：影像失真的测定 |
China Medicine & Medical Device
Standards distortion |
 English PDF |
| JJG 251-1997 |
Verification Regulation of distortion Meter Calibrator 失真度测量仪检定规程 |
China Metrological
Standards distortion |
English PDF |
| TB/T 2799-1997 |
(Electrified railway harmonic voltage distortion conditions and methods of calculation) 电气化铁道谐波电压畸变率计算条件和方法 |
China Railway & Train
Standards distortion |
English PDF |
| JJG 802-1993 |
Verification Regulation of distortion Meter Calibrator 失真度仪检定装置 |
China Metrological
Standards distortion |
English PDF |
| JJG(SJ)15022-1991 |
(QF1020 low-distortion frequency signal generator test procedures) |
China Metrological
Standards distortion |
English PDF |
| JJG(SJ)12030-1989 |
(VS22 type TV nonlinear distortion tester test procedures) |
China Metrological
Standards distortion |
English PDF |
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