Zein da zure produktuen estandarizazioa?

2022-06-27 - Utzi mezu bat

G: Zein da zure produktuen estandarizazioa?


A:GB/T 700-2006 Karbonozko egitura-altzairua, 45# GB/T 699 Q235, 195, 215, 255, 275 GB/T700-n.


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