| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| CJJ 51-2001 | English | 959 |
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Days<=6
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Safety Technical Spicification for Operation, Maintenance and Rush-repair of Urban Gas Facilities
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CJJ 51-2001
| Obsolete |
CJJ 51-2001
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