DIN 19635
Dosing apparatus for drinking water treatment; requirements, testing, operation; DVGW code of practice
废止
发布日期 :
2001-11-01
实施日期 :
DIN 4261-1
Small sewage treatment plants; plants without sewage aeration; application, design and construction
废止
发布日期 :
2001-10-01
实施日期 :
DIN 4261-2
Small sewage treatment plants; plants with sewage aeration; application, design, construction and testing
废止
发布日期 :
2001-06-01
实施日期 :
DIN EN 891
Chemicals used for treatment of water intended for human consumption - Iron(III) chloride sulfate
废止
发布日期 :
2001-04-01
实施日期 :
DIN ISO 8080
Aerospace - Anodic treatment of titanium and titanium alloys - Sulfuric acid process (ISO 8080:1985)
废止
发布日期 :
2001-10-01
实施日期 :