Report copyright - GB T 17493-20085168102.s21d-5.faiusrd.com/61/ABUIABA9GAAgl9_4yQUon4bH... · GB/T 17493—2008 10 mm 12 mm 13 mm; mm mm 435 mm 560 mm, 610 mm 760 mm AWS A5.29M:2005 B GB/T 17493—19980
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