| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 223.52-1987 | English | 139 |
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Methods for chemical analysis of iron, steel and alloy. The hydroxylamine hydrochloride-iodometric method for the determination of selenium content
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GB/T 223.52-1987
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GB/T 223.52-1987
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