|
2121| 0
|
ASTM A707 A707M-2019 Standard Specification for Forged Cardon and Alloy Steel Flanges for Low-Temperature Service |
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2024-11-24 13:28 , Processed in 0.060168 second(s), 31 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.
发表于 2020-9-29