標(biāo)題: ASTM A 865-2006 鋼管連接用黑色或鍍鋅焊接或無縫鋼螺紋接頭 [打印本頁] 作者: 兌水 時(shí)間: 2009-9-9 11:33 標(biāo)題: ASTM A 865-2006 鋼管連接用黑色或鍍鋅焊接或無縫鋼螺紋接頭 A865-03 Standard Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints