楼主: 成形极限
|
大家评评理,看看该专利审查意见是否有道理(一种丝杠螺母副用消回差方法) |
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-12-27 16:03 , Processed in 0.053480 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.