標題: ASTM A 523-1996 高壓管型電纜線路用平端無縫與電阻焊鋼管 [打印本頁] 作者: 兌水 時間: 2009-9-7 09:47 標題: ASTM A 523-1996 高壓管型電纜線路用平端無縫與電阻焊鋼管 A523-96(2001) Standard Specification for Plain End Seamless and Electric-Resistance-Welded Steel Pipe for High-Pressure Pipe-Type Cable Circuits