| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 223.50-1985 | English | 199 |
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Methods for chemical analysis of iron, steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
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GB 223.50-1985
| Obsolete |
GB 223.50-1985
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