DIN EN 61189-2-719:2017-04
Действует
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2-719: Test methods for materials for interconnection structures - Relative permittivity and loss tangent (500 MHz to 10 GHz) (IEC 61189-2-719:2016); German version EN 61189-2-719:2016
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