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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JT/T 185.7-2015 |
Repairing technical requirement for special equipment of trailing suction hopper dreger - Part 7: Active draghead 耙吸挖泥船专用设备修理技术要求 第7部分：主动耙头 |
China Highway & Transportation
Standards dreger |
 English PDF |
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