| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JT/T 646-2005 | English | 90 |
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0-9 seconds. Auto delivery.
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Specifications and examining methods for highway noise barriers materials
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JT/T 646-2005
| Obsolete |
JT/T 646-2005
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