14/30314209 DC : 0被替代
BS EN 61189-2-719 ED.1 - 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 GH
出版：British Standards Institution
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