Patented Invention
        2022-05-08 10:16:19 作者:访问量:9
     
    
    
 
  
   Num  | 
   Patent name  | 
   Patentee  | 
   Patent number  | 
   Authorization date  | 
  
  
   1  | 
   Invention patent of adjustable farmland automatic drainage valve  | 
   Zhang Zhiliang  | 
   ZL201410826591.8  | 
   201604  | 
  
  
   2  | 
   A rural decentralized domestic sewage treatment system and method  | 
   Deng Yu  | 
   ZL201410286799.5  | 
   201608  | 
  
  
   3  | 
   A rural decentralized domestic sewage treatment device and method  | 
   Ni Fuquan  | 
   ZL201410286811.2  | 
   201701  | 
  
  
   4  | 
   An automatic protection dripper device  | 
   Zhang Zhiliang  | 
   ZL104303958B  | 
   201706  | 
  
  
   5  | 
   Measurement method of sediment wear rate in mountainous rivers  | 
   Qi Lijian  | 
   ZL201510818251.5  | 
   201712  | 
  
  
   6  | 
   A method for extracting low gluten rice component protein  | 
   Li Jian  | 
   ZL201910436168.X  | 
   202106  |