Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB 31039-2014 |
Pretensioned spun concrete special-shaped piles 先张法预应力离心混凝土异型桩 |
China National Standards Pretension |
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GB 13476-2009 |
Pretensioned spun concrete piles 先张法预应力混凝土管桩 |
China National Standards Pretension |
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GB/T 6965-2004 |
Testing basic terms of materials for fishing gear--Pretension 渔具材料试验基本条件 预加张力 |
China National Standards Pretension |
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