项目展示

• 

  B74-An Elevatable platform for supermarket

  1510 11
• 

  B75-Multifunction tablet holder

  1269 0
• 

  B76-Portable Cart

  1252 6
• 

  B77-Lid opener

  1638 14
• 

  B78-A New Type of Automatic Bicycle Parking Lot

  1656 31
• 

  B79-家用自动切菜机

  2665 17
• 

  B80-A New Type of Floor Drain

  1363 2
• 

  B81-自动雨伞

  1978 5