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Standard Insuued on: 1987-07 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | Issued Date: | 1987-07-25 | |
Implemented Date: | 1988-4-1 | Abolished Date: | |
Superseded Standard.: | GB/T 50109-2006 Design code for softening and demineralization of industrial water |
Superseded Date: | 2006-11-1 |
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