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| Position: Chinese Standard in English/JJF 1247-1990 |
| JJF 1247-1990 O.T.N.of Superficial Rockwell Hardness Primary Standard (English Version) | |||
| Standard No.: | JJF 1247-1990 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 2500 words | Price(USD): | 75.00 remind me the price change |
| Implemented on: | 1999-6-4 | Delivery: | via email in 1~3 business day |
| Standard No.: | JJF 1247-1990 |
| English Name: | O.T.N.of Superficial Rockwell Hardness Primary Standard |
| Chinese Name: | 表面洛氏硬度基准操作技术规范 |
| Chinese Classification: | A53 Mechanics Measurement |
| Professional Classification: | JJ Metering |
| Issued by: | AQSIQ |
| Issued on: | 1990-1-1 |
| Implemented on: | 1999-6-4 |
| Status: | valid |
| Superseding: | JJG 1247-1990 O.T.N. of Superficial Rockwell Hardness Primary Standard |
| Language: | English |
| File Format: | |
| Word Count: | 2500 words |
| Price(USD): | 75.00 |
| Delivery: | via email in 1~3 business day |