标 准 号：DIN 2874-2002 简体中文标题：带聚四氟乙烯或PFA衬里的钢制法兰管道和钢制与铸铁法兰配件.技术规范 繁体中文标题：带聚四氟乙烯或PFA衬里的钢制法兰管道和钢制与铸铁法兰配件.技术规范 English Name：Steel flanged pipes and steel and cast iron flanged fittings lined with PTFE or PFA - Technical specifications ...