China Focus: China owns nearly 5 mln valid invention patents

China Focus: China owns nearly 5 mln valid invention patents: NIPA-Xinhua

China Focus: China owns nearly 5 mln valid invention patents: NIPA-Xinhua

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Madrid , Spain , Japan , Beijing , China , United States , Wenhui , Jiangxi , South Korea , Republic Of Korea , , Association Of South East Asian Nations , National Intellectual Property Administration , Xinhua , Patent Cooperation Treaty , Madrid System , South East Asian ,