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| Position: Chinese Standard in English/JJG 661-1990 |
| JJG 661-1990 Verification Regulation of Flatness Interferometer with Isoclinic Circle Fringe (English Version) | |||
| Standard No.: | JJG 661-1990 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 3500 words | Price(USD): | 100.00 remind me the price change |
| Implemented on: | 2004-3-23 | Delivery: | via email in 1~3 business day |
| Standard No.: | JJG 661-1990 |
| English Name: | Verification Regulation of Flatness Interferometer with Isoclinic Circle Fringe |
| Chinese Name: | 平面等倾干涉仪检定规程 |
| Chinese Classification: | A52 Length Measurement |
| Professional Classification: | JJ Metering |
| Implemented on: | 2004-3-23 |
| Status: | superseded |
| Superseded by: | JJG 661-2004 Verification Regulation of Flatness Interferometer with Isoclinic Circle Fringe |
| Superseded on: | 2005-3-21 |
| Abolished on: | 2005-03-21 |
| Language: | English |
| File Format: | |
| Word Count: | 3500 words |
| Price(USD): | 100.00 |
| Delivery: | via email in 1~3 business day |