Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment (ISO 13533:2001); German version EN ISO 13533:2001 (Text in German and English)
Edition 2002-12

Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment (ISO 13533:2001); German version EN ISO 13533:2001, Corrigenda to DIN EN ISO 13533:2002-12; German version EN ISO 13533:2001/AC:2006
Edition 2006-11

Petroleum and natural gas industries - Drilling and production equipment - Hoisting equipment (ISO 13535:2000); German version EN ISO 13535:2000 (German and English texts)
Edition 2002-11

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 32: Determination of iron by atomic absorption spectrometry (E 32)
Edition 2000-05

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 3: Determination of calcium and magnesium, complexometric method (E 3)
Edition 2002-03

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 33: Determination of manganese by atomic absorption spectrometry (E 33)
Edition 2000-06

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 23: Determination of 15 polycyclic aromatic hydrocarbons (PAH) by high performance liquid chromatography (HPLC) and fluorescence detection (S 23)
Edition 2002-02