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20世纪90年代以来,80％的工业产品利润集中在以知识产权为核心的商标和专利许可上,10％在流通领域,10％在加工制造领域
Since the 1990s, 80% of the profits of industrial products have been concentrated on trademarks and patents with intellectual property as the core, 10% in circulation and 10% in processing and manufacturing