DIN 28428:1978-11 Vacuum technology; acceptance specifications for turbomolecular pumps
标准编号:DIN 28428:1978-11
英文标题:Vacuum technology; acceptance specifications for turbomolecular pumps
德文标题:Vakuumtechnik; Abnahmeregeln für Turbomolekularpumpen
发布日期:1978-11
标准预览图


