铸铁管

• Gray iron castings for pipe fittings
  灰口铸铁管件
• Gray iron castigs for pipe fittings
  灰口铸铁管件
• Cast iron pipe flanges and flanged fittings , class 25 , 125 , 250 , and 800
  25 125 250和800级铸铁管法兰和法兰配件
• Dl tube mender main data
  铸铁管堵漏器主要数据：
• Integral cast iron pipe flanges
  整体铸铁管法兰
• Cast iron pipe blank flanges
  铸铁管法兰盖
• Fauceting cast iron pipes and fittings with flexible joint for building drainage
  建筑排水用柔性接口承插式铸铁管及管件
• Rules for the inspection of general - purposesteel and cast iron pipe fittings for export
  出口通用钢制和铸铁管件检验规程
• Application of cement mortar lining for cast iron pipes , steel pipes and fittings
  铸铁管钢管和管接头的水泥砂浆管衬料的应用
• Technical specification for flexible joint cast iron pipe system of building drainage
  建筑排水柔性接口铸铁管管道工程技术规程