標(biāo)題: ASTM B 247M-2002鋁及鋁合金壓模鍛件手工鍛件和軋制環(huán)形... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-9-11 20:56 標(biāo)題: ASTM B 247M-2002鋁及鋁合金壓模鍛件手工鍛件和軋制環(huán)形... B247M-02a Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings [Metric]