DIN 38412-14
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
现行
发布日期 :
2001-09-01
实施日期 :
DIN 38412-13
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
现行
发布日期 :
2001-09-01
实施日期 :
DIN EN 12608-1/A1
Unplasticized poly(vinyl chloride) (PVC-U) profiles for the fabrication of windows and doors - Classification, requirements and test methods - Part 1: Non-coated PVC-U profiles with light coloured surfaces - Amendment 1; German and English version EN 12608-1:2016/prA1:2019
现行
发布日期 :
2001-05-01
实施日期 :