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于日本、美国公司，一般情况下公司会首先将新技术在本国申请专利，所以日本、美国led领域的专利申请量遥遥领先。在led领域中国专利申请量位列第三，说明led产业各巨头都很重视我国市
http://blog.alighting.cn/xyz8888888/archive/2012/11/1/295801.html2012/11/1 23:31:07
