DIN 51431-2
Determination of magnesium content of lubricants by wavelength-dispersive X-ray fluorescence spectrometry
废止
发布日期 :
2001-07-01
实施日期 :
DIN 51375-2
Testing of lubricants; determination of 1,2-ethanediol content of unused motor oils by gas chromatography
废止
发布日期 :
2001-03-01
实施日期 :
DIN EN 2491
Aerospace series - Molybdenum disulphide dry lubricants - Coating methods; German version EN 2491:1997
废止
发布日期 :
2001-05-01
实施日期 :