机械必威体育网址
标题:
询ASTM A570-50,Grade 345 Type-1,Fy(min)=345MPA Or Fy(min)=34.5KN/cm2 产品生...
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作者:
nancyliao
时间:
2015-6-1 15:50
标题:
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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