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Shengtuo Testing Receives Patent Certificate
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Company News
Release time：
2017/04/26
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Shengtuo Testing announced on April 26, 2017: The company has recently obtained an authorized invention patent, patent name: Elastic Wave-based Nondestructive Testing Method for Ballastless Track Slabs, Patent No .: ZL 2015 1 0170451.4.
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