hat
Nan 2005, li te genyen modèl itilite a patant, ki pibliye pa yon eta pwopwiyete diskisyon entèlektyèl biwo a P.R.C. A patant Tèb se ZL 2005 2 0100822.3
eng
In 2005, it has got the utility model patent, which is issued by the state intellectual property office of the P.R.C. The patent No. is ZL 2005 2 0100822.3