| 摘要 |
A printed circuit board for connectors in symmetrical communications and data systems engineering distribution systems, which includes a pair of substantially parallel circuit board tracks on a front face thereof arranged substantially congruently with a pair of substantially parallel circuit board tracks of a back face of the printed circuit board, and wherein one of the pair of tracks on the back face crosses over the other track of the pair by means of two through-hole platings, which are electrically interconnected on the front face through an interconnecting circuit board track.
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