项目展示

• 

  B74-An Elevatable platform for supermarket

  2189 11
• 

  B75-Multifunction tablet holder

  1912 0
• 

  B76-Portable Cart

  1951 6
• 

  B77-Lid opener

  2293 14
• 

  B78-A New Type of Automatic Bicycle Parking Lot

  2458 31
• 

  B79-家用自动切菜机

  4139 17
• 

  B80-A New Type of Floor Drain

  1911 2
• 

  B81-自动雨伞

  2884 5