GB/T 12605-1990

Methods of radiographic inspection and quality classification of circumferential fusion welded butt joints in steel pipes and tubes

NORMA vydaná dňa 18.12.1990

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The information about the standard:

Designation standards: GB/T 12605-1990
Note: NEPLATNÁ
Publication date standards: 18.12.1990
Country: Chinese technical standard
Kategória: Technické normy GB