RENMIN RIBAO(People's Daily, Overseas Edition)Farmers in Yulin Prefecture of the Guangxi Zhuang Autonomous Region began the practice of purchasing. patents in 1986. When Wang Xianglin spent 120,000...
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RENMIN RIBAO(People's Daily, Overseas Edition)Farmers in Yulin Prefecture of the Guangxi Zhuang Autonomous Region began the practice of purchasing. patents in 1986. When Wang Xianglin spent 120,000...