Overhead power lines for telecommunication; insulator RMü
Edition 1951-02

Mathematical structures; signs, symbols and concepts
Edition 1978-06

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; service description; english version ETS 300136:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; functional capabilities and information flows; english version ETS 300137:1992
Edition 1992-12

Concepts for the arrangement in connection with functional and constructional units
Edition 1979-10

Rubber and latices - Nomenclature (ISO 1629:2013)
Edition 2015-03

Material Numbers - Part 4: System of the Principal Groups 2 and 3: Non-ferrous Metals
Edition 2012-12

German standard methods for examination of water, waste water and sludge - Cations (group E) - Part 8: Determination of zinc - Method by atomic absorption spectrometry (AAS) using an air-ethine flame (E 8)
Edition 2004-10

Radio Equipment and Systems (RES) - Digital Enhanced Cordless Telecommunications (DECT); Data service profile (DSP) - Generic data link service for closed user groups (service type C, class 1); English Version ETS 300699:1996
Edition 1998-06