标 准 编 号：DIN 11851-1998简体中文标题：食品,化学和医药工业用管接头.不锈钢制螺纹管连接件.滚压和焊接连接的设计繁体中文标题：食品,化学和医药工业用管接头.不锈钢制螺纹管连接件.滚压和焊接连接的设计English Name：Fittings for food, chemical and pharmaceutical industry - Stainless steel screwed pipe connections - Design for rolling in and welding-on...