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| International Standard Category: Optical measuring instruments |
GB/T 6321-1986 Spring-optical measuring heads,opticators
光学扭簧测微计 ;
| Category No.: | 17.180.30 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1986-04-24 | |
| Implemented Date: | 1987-1-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 6321-2004 Spring-optical measuring heads |
Superseded Date: | 2004-8-1 |
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