| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 50493-2019 | English | 899 |
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Days<=5
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Specification for design of combustible gas and toxic gas detection and alarm for petrochemical industry
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GB/T 50493-2019
| Valid |
GB/T 50493-2019
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