标题: ASTM A638-A638M-2010 Standard Specification for Precipitation Hardening Iron [打印本页] 作者: meizhong 时间: 2014-2-26 12:44:52 标题: ASTM A638/A638M-2010 Standard Specification for Precipitation Hardening Iron
ASTM A638/A638M-2010 Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service
[attach]32932[/attach]作者: admin 时间: 2014-2-27 09:45:01