DIN 8902:2020-08 Pressure resistant circular sight glasses of soda-lime-glass

标准编号：DIN 8902:2020-08

英文标题：Pressure resistant circular sight glasses of soda-lime-glass

德文标题：Runde Schauglasplatten aus Natron-Kalk-Glas

发布日期：2020-08

标准预览图