以下为句子列表：
英文: Once a patent finally did surface—in one case almost 40 years after the filing date for claims purported to cover bar-code scanning—Lemelson systematically went about seeking licensing fees, and if companies refused, he sued them for infringement.
中文: 一旦专利终于发出（有个案例是在提交近40年后，权利内容据称包含条码扫描技术），勒梅森就开始有系统地四处收取权利金，如果哪家公司拒绝付钱，他就控告对方侵权。
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英文: Properly drawn and woven into normal fabric, the mirrored fibers could lead to wearable radiation barriers, optical bar-code tags for clothing and flexible filters for telecommunications.
中文: 在一般的纤维里适当混入光晶纤维，就能得出穿戴式的辐射屏蔽、衣服内的光学条码标签与柔韧的电讯过滤器。
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英文: Remove all old shipping labels, place the DTW Express Waybill on top of the package; never cover thd bar-code (even with transparent tape); do not allow labels to become wrinkled or dirty.
中文: 不要留旧标签在使用过的纸箱上，运单应贴在箱面上，不可遮盖运单的电脑条纹码(包括用透明胶纸)，要保持运单平滑干净。
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