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| Position: Chinese Standard in English/GB 11491-1989 |
| GB 11491-1989 General specification of vertical turbomolecular pumps (English Version) | |||
| Standard No.: | GB 11491-1989 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 3000 words | Price(USD): | 264.00 remind me the price change |
| Implemented on: | 1990-3-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 11491-1989 |
| English Name: | General specification of vertical turbomolecular pumps |
| Chinese Name: | 立式涡轮分子泵通用技术条件 |
| Chinese Classification: | J78 Vacuum technique and equipment |
| Professional Classification: | GB National Standard |
| Implemented on: | 1990-3-1 |
| Status: | superseded |
| Superseded by: | SJ/T 11085-1996 General specification for vertical turbomolecular pumps |
| Superseded on: | 1997-1-1 |
| Language: | English |
| File Format: | |
| Word Count: | 3000 words |
| Price(USD): | 264.00 |
| Delivery: | via email in 1~3 business day |