GB/T 12773-2008 内燃机气阀用钢及合金棒材
资料介绍
标 准 编 号:GB/T 12773-2008
简体中文标题:内燃机气阀用钢及合金棒材
繁體中文標題:內燃機氣閥用鋼及合金棒材
English Name:Valve steel and superalloy bars for internal combustion engines
标 准 编 号:GB/T 12773-2008
简体中文标题:内燃机气阀用钢及合金棒材
繁體中文標題:內燃機氣閥用鋼及合金棒材
English Name:Valve steel and superalloy bars for internal combustion engines