Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 31051.4-2016 |
Cranes—Anchoring devices for in-service and out-of-service conditions —Part 4: Jib cranes 起重机 工作和非工作状态下的锚定装置 第4部分:臂架起重机 |
China National Standards Cranes—Anchoring |
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