Assembly tools for screws and nuts. Drive ends for hand and machine-operated screwdriver bits and connecting parts. Dimensions, torque testing.

Die Norm herausgegeben am 15.7.2001

Copper and copper alloys. Material condition designation.

Die Norm herausgegeben am 30.6.2008

Water quality. Enumeration of Legionella.

Die Norm herausgegeben am 26.6.2017

Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection.

Die Norm herausgegeben am 17.2.2004

Water quality. Determination of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test.

Die Norm herausgegeben am 14.7.2005

Water quality. Evaluation of the ´ultimate´ anaerobic biodegradability of organic compounds in digested sludge. Method by measurement of the biogas production.

Die Norm herausgegeben am 15.7.1996

Sterilization of health care products. Microbiological methods. Determination of a population of microorganisms on products.

Die Norm herausgegeben am 18.6.2021

Sterilization of health care products. Microbiological methods. Bacterial endotoxin testing.

Die Norm herausgegeben am 28.6.2023

Agricultural irrigation equipment. Control heads.

Die Norm herausgegeben am 29.10.2021

Assembly tools for screws and nuts. Driving squares. Driving squares for hand socket tools.

Die Norm herausgegeben am 31.8.2011