Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems (IEC 61280-2-9:2009); German version EN 61280-2-9:2009
Edition 2009-12

Expression of performance of electrochemical analyzers - Part 2: pH-value (IEC 60746-2:2003 + Corrigendum 2003); German version EN 60746-2:2003
Edition 2003-09

Methods of measurement for radio equipment used in satellite earth stations - Part 3: Methods of measurement on combinations of sub-systems; section 4: Measurements for frequency division multiplex (f.d.m.) transmission (IEC 60510-3-4:1992); German version EN 60510-3-4:1994
Edition 1994-09

Cladding for external walls, ventilated at rear - Part 1: Requirements, principles of testing
Edition 2024-05

Generic specification: Fibre optic branching devices; German version EN 181000:1994
Edition 1995-02

Generating sets - Reciprocating internal combustion engines driven generating sets - Part 13: For emergency power supply in hospitals and public buildings
Edition 1994-12

Gas Tapping Tees - Part 1: Tapping valves for polyethylene gas pipe systems - Requirements and tests
Edition 2021-11

Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board; German version EN 646:2018
Edition 2019-02

Cylindrical Shaft Ends; Dimensions, Nominal Transmissible Torques
Edition 1970-01

Cranes; rope pulleys; selected ranges and correlation of diameters and overall widths
Edition 1982-07