GB/T 20490-2006

Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes—Ultrasonic testing for the detection of laminar imperfections

NORM herausgegeben am 12.9.2006

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The information about the standard:

Designation standards: GB/T 20490-2006
Note: UNGÜLTIG
Publication date standards: 12.9.2006
Country: Chinese technical standard
Kategorie: Technische Normen GB