tieuchuanvietnam.co · chu thick: 1) chi khi gia cong thép, thi -kct rn41 trtrfrc cia daÖ mói...

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Page 1: tieuchuanvietnam.co · Chu thick: 1) Chi khi gia cong thép, thi -kCt rn41 trtrfrc cia daÖ mói lam vát. Tri ... 6 8 10 12 15 15 15 18 20 25 28 28 6 12 ... dày lop kim loai hân
Page 2: tieuchuanvietnam.co · Chu thick: 1) Chi khi gia cong thép, thi -kCt rn41 trtrfrc cia daÖ mói lam vát. Tri ... 6 8 10 12 15 15 15 18 20 25 28 28 6 12 ... dày lop kim loai hân