| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 7143-1986 | English | 719 |
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Days<=5
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Methods for chemical analysis of silica sand for foundry
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GB/T 7143-1986
| Obsolete |
GB/T 7143-1986
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