母材牌号、级别、型号标准类别组别Fe-1Fe-1-110GB/T699,GB/T711,GB3087,GB6479,GB/T8163,GB9948,GB/T1245915GB/T710,GB/T711,GB/T1323720GB/Z699,GB/T710,GB/T711,GB3087,GB6479,GB/T8163,GB9948,GB/T12459,GB/T13237,NB/T4700820GGB5310,GB/T12459Q195GB/T700Q215AGB...
时间:2024-11-04 07:35栏目:行业资料