
Non-destructive testing – Eddy current testing – General principles (ISO 15549:2019); German version EN ISO 15549:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Non-destructive testing – Eddy current testing – General principles (ISO 15549:2019); German version EN ISO 15549:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻