我国发明专利达421.2万件位居世界第一去年半导体专利申请量是美国 … – 手机新浪网

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我国发明专利达421.2万件位居世界第一去年半导体专利申请量是美国 … 手机新浪网

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XingKao is the founder and chief editor of Dealsprofile.com. He has decades of expertise as both a committed writer and WordPress developer.