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檢索技巧六、如何尋找核心專利? 核心專利一般是指製造特定技術領域的特定產品所必須使用的專利,很難透過手段規避侵權 或繳付權利金的可能性。除了利用 Derwent
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Document Date: 2013-08-13 21:59:49
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