国外标准列表
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[国外标准] DIN 1026-2-2002 Hot rolled steel channels - Part 2 Parallel flange steel channels; Dimensions masses
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[国外标准] DIN 1022-1963 steel bars-hot equal angle squared-edge steel (LS steel) -dimensions weights permissib
[国外标准] DIN 1026-2-2002 Hot rolled steel channels - Part 2 Parallel flange steel channels; Dimensions masses
[国外标准] DIN 1022-1963 steel bars-hot equal angle squared-edge steel (LS steel) -dimensions weights permissib