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单语范例（未经PONS编辑处理）
At leves, trousers were worn instead of breeches, to match the coat, and patent leather military boots.
en.wikipedia.org But this isn't just another patent complaint where one company tries to shake down another.
www.businessinsider.com.au A growth company typically has some sort of competitive advantage (a new product, a breakthrough patent, overseas expansion) that allows it to fend off competitors.
en.wikipedia.org His second patent was on a process for purifying paraffin wax in 1876.
en.wikipedia.org Obviously, such a patent does not carry the same presumption of validity as a patent that has been fully examined.
en.wikipedia.org