German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of sea water (A 16)
Edition 1987-08

60° centre holes; types R, A, B, and C
Edition 1986-04

Machine tools; Multi-spindle heads; Boring spindles Types A and B
Edition 1981-10

Fire resistance tests for service installations - Part 15:1-, 2- or 3-sided ventilation ducts; German and English version prEN 1366-15:2023
Edition 2023-12

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 3: Implementation Conformance Statement (ICS) and Implementation eXtra Information for Testing (IXIT) proforma specification for interface IA and IB; English version ETS 300011-3:1998
Edition 1998-12

Sectional specification; electromechanical all-or-nothing heavy load relays of assessed quality (rated from 5 A and above); German version EN 116300:1993
Edition 1994-04

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
Edition 1991-05

Wiper systems for road vehicles - Part 1: Nomenclature
Edition 1994-12

Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use; part 2: format A (IEC 61120-2:1991); German version EN 61120-2:1993
Edition 1994-02