Mixing and fertilizing machine for agricultural orchard fertilization von AN YANQING, HOU YAWEN, AN ZHANGYU, SONG LISHAN, ZHANG LINA, BAI JIHONG, WU JINRONG, SONG GAIXIANG, YUAN YIMING, AN WEI

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Wearable fluid self-balancing scaffold von ZHAO CHUNMEI, LIU GENQUAN, MA RUYUN, SHANG LI, CAO YAOZHONG, LIU YARONG, YANG QUANHONG, SHI JUNMIN, SONG GAIXIANG, LIU YONGLIN, MA NA, HE SHUANG, LIU QINCHAO, REN XIAOBING, LI LIEQUN, LI YINGJUN

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