JJG 645-1990 PDF English
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JJG 645: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JJG 645-1990 | English | 489 | Add to Cart | 3 days [Need to translate] | Verification Regulation of Ⅲ-mode Ultrasonic Flaw Detector for Rail |
| JJG 645-1989 | English | RFQ | ASK | 3 days [Need to translate] | Verification Regulation of III-mode Ultrasonic Flaw Detector for Rail |
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Basic data
| Standard ID | JJG 645-1990 (JJG645-1990) |
| Description (Translated English) | Verification Regulation of ��-mode Ultrasonic Flaw Detector for Rail |
| Sector / Industry | Metrology & Measurement Industry Standard |
| Classification of Chinese Standard | A60 |
| Word Count Estimation | 14,151 |
| Date of Issue | 6/20/1990 |
| Date of Implementation | 12/1/1990 |
| Summary | This standard applies to newly manufactured, and the use of three types of rail flaw detector test after repair. |