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› 询ASTM A570-50,Grade 345 Type-1,Fy(min)=345MPA Or Fy(min)=34.5KN/cm2 产品生...
nancyliao
发表于 2015-6-1 15:50:09
询ASTM A570-50,Grade 345 Type-1,Fy(min)=345MPA Or Fy(min)=34.5KN/cm2 产品生...
询ASTM A570-50,Grade 345 Type-1,Fy(min)=345MPA Or Fy(min)=34.5KN/cm2产品生产厂家 , 5,6,8,10,16,20mm个厚 ,1220mm 宽
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询ASTM A570-50,Grade 345 Type-1,Fy(min)=345MPA Or Fy(min)=34.5KN/cm2 产品生...