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Standard Insuued on: 1993-12 |
Category No.: | YB | Valid Status: | abolished |
Issued Organization: | CMMI | Issued Date: | 1993-12-8 |
Implemented Date: | 1994-1-1 | Abolished Date: | 2017-01-01 |
Superseded Standard.: | YB/T 5156-2016 Determination of silicon in graphite products of high purity by the silicomolybdenum blue spectrophotometric method |
Superseded Date: | 2017-1-1 |
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