External cathodic protection of well casings; German version EN 15112:2022
Edition 2022-07

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Well construction and geothermal probes
Edition 2023-09

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 13: Design and performance of the sampling of groundwater (A 13)
Edition 2021-12

Mine plans - Drilling and cavern - Part 1: Drilling
Edition 2024-07

Non-invasive sphygmomanometers - Part 1: Requirements and test methods for non-automated measurement type (ISO 81060-1:2007); German version EN ISO 81060-1:2012
Edition 2012-08

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

Heat exchangers - Method of measurement and evaluation of thermal performances of wet cooling towers; German version EN 14705:2005
Edition 2005-10

Mine plans - Drilling and cavern - Part 1: Drilling
Edition 2005-10

Products and systems for the protection and repair of concrete structures - Test methods - Determination of injectability and splitting test; German version EN 1771:2004
Edition 2004-11

Products and systems for the protection and repair of concrete structures - Test methods - Determination of tensile strength development for polymers; German version EN 1543:1998
Edition 1998-02