标 准 编 号：DIN 11865-2003 简体中文标题：无菌、化学工业和药业用不锈钢配件.焊接用三通管、弯头和异径接头 繁体中文标题：无菌、化学工业和药业用不锈钢配件.焊接用三通管、弯头和异径接头 English name ：Stainless steels fittings for aseptic, chemical and pharmaceutical industries - Tees, bends, reducers for welding on
