|
2014
|
Invention
|
3d printer having variable nozzle head, and operation method therefor. A 3D printer (100) having ... |
|
2013
|
Invention
|
Notebook including electronic locking device. The present invention relates to a notebook includi... |
|
2012
|
Invention
|
Bag provided with a touch-type locking apparatus. A bag provided with an electronic touch-type lo... |
|
|
Invention
|
Locker provided with mobile security device. The present invention relates to a locker, a main bo... |
|
2011
|
Invention
|
Pencil case having touch function. The present invention relates to a pencil case including a rec... |
