Electrical ingeneering; basic environmental testing procedures; tests; guidance to test Kd: hydrogen sulphide H₂S (high concentration) for electrical contacts and connections; identical with IEC 60068-2-46, edition 1982
Edition 1985-08

Electrical engineering; basic environmental testing procedures; guidance to test Kc: sulphur dioxide SO₂ (high concentration) for electrical contacts and connections; indentical with IEC 68-2-49, edition 1983
Edition 1985-08

Sealing test for pressurized waveguide; tubing and assemblies; identical with IEC 60261:1989; german version HD 138 S2:1990
Edition 1991-05

Blank detail specification; quartz crystal units (capability approval); german version EN 168101:1992
Edition 1992-09

Harmonized system of quality assessment for electronic components; blank detail specification: small power transmitting tubes of anode dissipation up to 1 kW
Edition 1977-04

Sectional specification: adjusters used with magnetic oxide cores for use in inductors and tuned transformers; german version EN 125400:1991
Edition 1993-02

Blank detail specification: adjusters used with magnetic oxide (ferrite) cores for use in inductors and tuned transformers; german version EN 125401:1991
Edition 1993-02

Electronic tubes; electrode terminals, numbering, identification
Edition 1977-09

Terminal ends for solderless connections; ring type, without insulating sleeve, for copper conductors
Edition 1980-03

Microprocessor system bus I 8-bit and 16-bit data (MULTIBUS I); part 1: functional description with electrical and timing specifications (IEC 60796-1:1990); German version HD 593.1 S1:1992
Edition 1993-10