Water quality; determination of electrical conductivity (ISO 7888:1985); German version EN 27888:1993
Edition 1993-11

Integrated Services Digital Network (ISDN); attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; layer 3 aspects; english version ETS 300104:1991
Edition 1992-05

Terminal Equipment (TE) - Processable data - File transfer; English version ETS 300075:1994/A1:1995
Edition 1996-07

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 60061-3:1969 + supplements A:1970 to U:1997 + A20:1998 to A57:2020 + A58:2020, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998 to A57:2020 + A58:2020
Edition 2021-04