日韩欧洲国产综合在线_A毛片基地免费全部视频_国产精品jizz在线观看直播_91在线视频分享_一级肉体毛片视频免费看看_国产精品天堂av手機看片影視_国产欧美日韩激情精品_欧美残忍的牲交大全_国产黄色自拍亚洲第一黄片_性色a∨人人爽网站色欲a

Dahton's Cervical Exrication collar owned the patent of designs

Column：Comp News Time：2014-01-23

The Cervical Extrication collar producted by Dahton owned the patent of utility models, the duration of protection will be ten years from now on. The Patent No. is ZL 2013 3 0161442.0.