杨博 发表于 2007-8-13 10:28:52

ASTM E 2142-01 Standard Test Methods for Rating and Classifying Inclusions in St

ASTM E 2142-01 Standard Test Methods for Rating and Classifying Inclusions in Steel Using the Scanning Electron Microscope1
ASTM E 2142-01　利用扫描电子显微镜测定钢中杂质的额定值和分级的标准试验方法
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