内容简述: ThisaddendumistoinformthatThaiIndustrialStandardforThaiIndustrialStandardforHotRolledStructuralSteelSections(TIS1227-2558(2015))issuedbyThaiIndustrialStandardsInstitute,notifiedunder G/TBT/N/THA/465wasadoptedon12September2016andwillenterintoforceafter180d
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