1613| 4
|
GB5465.1~2-1996 |
| ||
GB-T 5465.2-1996電氣設(shè)備圖形符號(hào)
| ||
GB-T 5465.1-1996; 電氣設(shè)備用圖形符號(hào)繪制原則; SBTS; 1997-5-1
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),,浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-2-15 10:39 , Processed in 0.054020 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.