| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 21538-1992 | English | 2119 |
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Legends of Technological Design Flow Chart of Chemical Mechanized Transportation
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HG/T 21538-1992
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HG/T 21538-1992
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