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上一条:Li Jincai, Zhao Xiheng, Ren Guixing, Zhao Jiancheng, Guo Huimin. Compound Buckwheat Shelling Machine, China Patent, ZL201410797188.7, 2017-2-1.
下一条:Li Jincai, Zhao Xiheng. Wall Detachable and Installed Sunlight Greenhouse, China Patent, ZL201410596478.5, 2017-2-15.