GB/T 12469-1990

Quality assurance of welding—Requirement for fusion welding joint of steel and classification for imperfection

NORM herausgegeben am 8.9.1990

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The information about the standard:

Designation standards: GB/T 12469-1990
Note: UNGÜLTIG
Publication date standards: 8.9.1990
Country: Chinese technical standard
Kategorie: Technische Normen GB