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内容简述: ThisaddendumaimsatinformingthattheNationalInstituteofMetrology,QualityandTechnology(Inmetro),issuedOrdinanceNº246,3June2016,approvaltheConformityAssessmentProceduresforCarbonSteelTubesforCommonUsesandforCarbonSteelTubesforHighTemperatures,notifiedasG/TBT/
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