Projects of NA 062-01-31 GA

ISO/DIS 4968 2017-11-02 Steel - Macrographic examination by sulfur print (Baumann method) More  Comment 
ISO/CD TR 20580 2016-08-01 Preparation of metallographic specimens More  Comment 
DIN EN ISO 643 2013-12-09 Steels - Micrographic determination of the apparent grain size (ISO 643:2019); German version EN ISO 643:2020 More  Comment 

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