Hits:
First Author:wangliye
Disigner of the Invention:bimingshu,liuhanli,刘洪业,侯明,邓海波
Application Number:CN90222999.0
Authorization Date:1990-10-30
Authorization number:CN2082380
Pre One:径向迷宫式旋转轴密封装置
Next One:无碎片脱落的非闭合环槽型爆破片装置
