2339| 0
|
求:1952年美国发布了矮牙爱克母螺纹标准ASA B1.8 |
| ||||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-25 16:20 , Processed in 0.046986 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.