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Standard Insuued on: 2011-06 |
Category No.: | DB | Valid Status: | superseded |
Issued Organization: | 上海市质量技术监督局 | Issued Date: | 2011-06-15 |
Implemented Date: | 2011-9-1 | Abolished Date: | 2015-10-01 |
Superseded Standard.: | DB31/T 550-2015 |
Superseded Date: | 2015-10-1 |
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