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| Position: Search | valid to be valid superseded to be superseded abolished to be abolished |
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GB/T 21839-2008 Steel for prestressed concrete - Test methods
Issued on: 2008-5-13 Price(USD): 180.0 |
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GB/T 25917-2010 Axial force-applied fatigue testing machines dynamic force calibration
Issued on: 2011-1-14 Price(USD): 240.0 |
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