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| Standard Insuued on: 1990-12 |
GB/T 12684.2-1990 Boric acid for industrial use-Determination of insoluble substance content in water
工业硼酸 水不溶物含量的测定
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | China Oil and Chemical Industry Association | Issued Date: | 1990-12-30 |
| Implemented Date: | 1991-12-1 | Abolished Date: | 2007-02-01 |
| Superseded Standard.: | GB/T 12684-2006 Methods of test for boron compound for industrial use |
Superseded Date: | 2007-2-1 |
GB/T 678-1990
GB/T 12600-1990
GB/T 12545.1-2008
GB/T 12529.1-2008
GB/T 12529.3-2008
GB 13022-1991
GB/T 12690.21-1990
GB/T 12689.5-1990
GB/T 12689.3-1990
GB/T 12689.1-1990
GB/T 12690.14-1990
GB/T 12690.13-1990
GB 2367-1990
GB/T 12689.4-1990
GB/T 12690.8-1990
GB/T 12689.8-1990
GB/T 12689.14-1990
GB/T 12761-1991
GB/T 12690.25-1990
GB/T 12689.6-1990
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