DIN EN 61189-2-719 (2015-02)被替代
Test methods for electrical materials, printed board and other interconnection structures and assemblies Part 2-719: Test methods for printed board and assembly materials - Relative permittivity and loss tangent (500 MHz to 10 GHz) (IEC 91/1215/CD:2014)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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