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Professional Standard Category: Professional Standard - Railway Transport |
Category No.: | TB | Valid Status: | superseded |
Issued Organization: | Issued Date: | ||
Implemented Date: | Abolished Date: | ||
Superseded Standard.: | TB/T 3212.3-2009 Metallographic Atlas for Metallographic Microstructure Examination of Low Alloy Cast Steel for Rolling Stock - Part 3: Grades E Cast Steel TB/T 3212.2-2009 Metallographic Atlas for Metallographic Microstructure Examination of Low Alloy Cast Steel for Rolling Stock - Part 2: Grades C Cast Steel TB/T 3012-2016 Cast steel bolster and side frame for railway freight car |
Superseded Date: | 2010-5-1 |
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