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| Standard Insuued on: 1989-06 |
GB 11415-1989 Laboratory sintered(fritted) filters-Porosity grading, classification and designation
实验室烧结(多孔)过滤器 孔径、分级和牌号
| Category No.: | GB | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 1989-6-8 |
| Implemented Date: | 1990-2-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
GB 11532-1989
GB 11341-2008
GB/T 11414-2007
GB/T 11356.1-1997
GB 11724-1989
GB/T 11500-1989
GB/T 11501-1989
GB/T 3047.5-1989
GB/T 11454-1989
GB 11455-1989
GB/T 3047.3-1989
GB/T 11452-1989
JJG 2020-1989
GB 11443.1-1989
GB/T 11443.4-1989
GB/T 11449.6-1989
GB 11524-1989
GB/T 11419-1989
GB/T 11414-1989
GB 11531-1989
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