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Chinese National Standard Category: Chemical Measurement |
English Title: | Thermal Conductivity Hydructivity Hydrogen Analyzer |
Chinese Title: | 热导式氢分析器检定规程 |
Standard No.: | JJG 663-1990 |
Category No.: | A61 |
Issued by: | State Technical Supervision Bureau |
Issued on: | 1990-3-28 |
Implemented on: | 1991-3-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 7000 words |
Similar Standards: | JJF (纺织) A 07-1985 JJF (纺织) A 05-1985 JJG (化工) 106-1991 JJF (纺织) B 07-1985 JJG 845-2009 JJG 291-2008 JJG 915-2008 JJG 701-2008 JJG 919-2008 JJG 1044-2008 JJF 1213-2008 JJG 365-2008 JJF 1190-2008 JJG 861-2007 JJG 178-2007 JJG 376-2007 JJF 1012-2007 JJG 680-2007 JJG 678-2007 JJG 688-2007 |
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