Measurements of the electrical properties of electronic tubes; methods of measurement for television picture tubes
Edition 1973-07

Measurement of the electrical properties of electronic tubes; measurement of noises due to mechanical or acoustic excitations
Edition 1973-07

Measurement of the electrical properties of electronic tubes; measurement of cross-modulation in case of AM-AM-transfer
Edition 1973-12

Measurement of the electrical properties of electronic tubes; method of measurement for cold cathode counting and indicator tubes
Edition 1976-09

Electric household infra-red grill; terms
Edition 1969-03

Electric household infra-red grill; test
Edition 1969-03

Electric household infra-red grill; requirements
Edition 1969-03

Electric warming plates for household use; performance, definitions
Edition 1973-11

Electric warming plates for household use; performance, tests
Edition 1973-11

Electric warming plates for household use; performance, requirements
Edition 1973-11