Report copyright - PROBLEMS AND COUNTERMEASURES OF THE QUALITY OF …seaisi.org/file/S4 P1 Dr_ Taweep.pdf · TCVN 1916-1995 ASTM A36 (Gr. 4.6) ASTM A36 (Gr. 4.6) 4.High strength bolt ASTM A 325 (Gr
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