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Standard
| GB/T 12214-1990 Silica sand and flour for investment casting (English Version) |
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Detail of GB/T 12214-1990
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Introduction of GB/T 12214-1990
本标准规定了熔模铸造用硅砂、粉的牌号、技术要求、试验方法和检验规则。
本标准适用于熔模铸造制壳用硅砂、粉。
Contents of GB/T 12214-1990