Automatic steam traps; determination of steam loss; test methods (ISO 7841:1988); german version EN 27841:1991
Edition 1991-11

Integrated Services Digital Network (ISDN); syntax-based videotex end-to-end protocols; circuit mode DTE-DTE; english version ETS 300079:1991
Edition 1992-09

IEC 822 VSB; parallel sub-system bus of the IEC 821 VMEbus; identical with IEC 60822:1988; english version HD 576 S1:1990
Edition 1992-02

Television systems - Specification of the D2-HDMAC/packet system; English version ETS 300352:1994
Edition 1994-10

Taps for thread cutting; nomenclature of the main types and terminology (ISO 5967:1981); german version EN 25967:1989
Edition 1990-07