Hits:
First Author:Ma Yali
Disigner of the Invention:wangxuyue,杨湘达,Wang Jack
Application Number:CN201110455294.3
Authorization Date:2011-12-30
Authorization number:CN102562830A
Pre One:一种油井液面深度测量的发声装置
Next One:一种对深沟球轴承自动拨球和装球的装置