| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 17645.20-2002 | English | 1904 |
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Industrial automation systems and integration -- Parts Library -- Part 20: Logical resource: Logical resource: Logical model of expressions
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GB/T 17645.20-2002
| Valid |
GB/T 17645.20-2002
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