German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
Edition 1998-07

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Gas analysis - Absolute volumetric method for dynamic preparation of calibration gases - Part 1: Preparation from pure gases, with CD-ROM
Edition 2014-05

Testing of textiles; determination of parameters for the crimp of textured filament yarns; filament yarns with a linear density of up to 500 dtex
Edition 1983-11

Reciprocating displacement pumps and pump units; requirements and testing
Edition 1987-12

Metric external taper screw threads and mating internal parallel screw threads - Part 1: Nominal sizes, limit deviations, limits of size and verification
Edition 1997-06

ISO metric trapezoidal screw threads; gauging of external and internal threads; gauge dimensions and design features
Edition 1985-02

Testing of textiles; determination of the elastic behaviour of single and plied yarns by a single application of tensile load between constant extension limits
Edition 1981-08

Sintered-metal injection-moulded materials - Specifications (ISO 22068:2012); German version EN ISO 22068:2014
Edition 2014-06

Fire behaviour of building materials and elements; fire resistant glazing; concepts, requirements and testing
Edition 1990-05