| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GA/T 74-2000 | English | 759 |
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Days<=4
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Symbols for use in diagrams of security and alarm system
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GA/T 74-2000
| Obsolete |
GA/T 74-2000
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