PALATAL EXPANSION APPLIANCE

• 收藏
• 分享

专利权人:

发明人:

MOON SUNG CHUL

申请号：

IN201827024391

公开号：

IN201827024391A

申请日:

2018.06.29

申请国别(地区):

IN

年份:

2018

代理人:

摘要：

A palatal expansion appliance includes one pair of bone screw joints arranged to face each other each of the one pair of bone screw joints extending in one direction and having a plurality of bone screw holes formed thereon and a driving portion arranged between the one pair of bone screw joints in which as at least a part of the driving portion is moved in one direction the one pair of bone screw joints are moved in another direction.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/