| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| CJJ 217-2014 | English | 889 |
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Days<=6
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Technical code for operation in excavation chamber of shield tunneling machine at atmospheric or compressed air
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CJJ 217-2014
| Valid |
CJJ 217-2014
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