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Chinese National Standard Category: Drilling, boring and milling machine |
English Title: | Test conditions for precision machining centres—Part 7: Accuracy of a finished test piece |
Chinese Title: | 精密加工中心检验条件 第7部分:精加工试件精度检验 |
Standard No.: | GB/T 20957.7-2007 |
Category No.: | J54 |
Issued by: | AQSIQ,SAC |
Issued on: | 2007-7-30 |
Implemented on: | 2007-11-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | undefinedJB/T 8772.7-1998 |
Word Count: | 4000 words |
Similar Standards: | GB/T 14660.1-2023 GB/T 5289.2-2021 GB/T 34880.3-2018 GB/T 33150-2016 GB/T 33203.1-2016 GB/T 33203.2-2016 GB/T 31557-2015 GB/T 31394-2015 GB/T 31397-2015 JB/T 11579.1-2013 T/CAS 232-2013 JB/T 8332.1-2011 JB/T 4241.1-2011 JB/T 2800.3-2011 JB/T 8332.3-2011 JB/T 3697.1-2011 JB/T 4067.3-2011 JB/T 4366.3-2011 JB/T 4367.1-2011 JB/T 9897-2011 |
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