Boriya Structural Bêhûz
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Boriya Structural Seamless, HDG (Galvanîzekirî ya germ) Boriya avahiya SMLS
Ji bo avahiya gelemperî, strukturên mekanîkî ASTM A53, ASTM A106, ASTM A500-98, ASTM A501-98, ASTM A519-98, JIS G3441-1994, JIS G3444-1994, BS EN 10210-
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