标题: ASTM B 247 - 2015 Standard Specification for Aluminum and Aluminum [打印本页] 作者: lotus999 时间: 2020-12-15 19:36:06 标题: ASTM B 247 - 2015 Standard Specification for Aluminum and Aluminum
ASTM B 247 - 15 Standard Specification for Aluminum and Aluminum-Alloy
Die Forgings, Hand Forgings, and Rolled Ring Forgings