DIN 57535-1 ; DIN VDE 0535-1:1979-12 ; VDE 0535-1:1979-12 [Withdrawn] references following documents:

Document number Edition Title
IEC 60050-15 1957-01 International Electrotechnical Vocabulary. Group 15: Switchboards and apparatus for connection and regulation More 
IEC 60050-151 1978 International Electrotechnical Vocabulary. Part 151 : Electrical and magnetic devices More 
IEC 60050-16 1956-01 International Electrotechnical Vocabulary; Group 16: Protective relays More 
IEC 60050-20 1958-01 International Electrotechnical Vocabulary; Group 20: Scientific and industrial measuring instruments More 
IEC 60050-25 1965 International Electrotechnical Vocabulary. Part 25 : Generation, transmission and distribution of electrical energy More 
IEC 60050-26 1968-01 International Electrotechnical Vocabulary - Group 26: Nuclear power plants for electric energy generation More 
IEC 60050-30 1957 International Electrotechnical Vocabulary. Part 30 : Electric traction More 
IEC 60050-31 1959 International Electrotechnical Vocabulary. Part 31 : Signalling and security apparatus for railways More 
IEC 60050-35 1958-01 International Electrotechnical Vocabulary. Group 35: Electromechanical applications More 
IEC 60050-351 1975 International Electrotechnical Vocabulary. Part 351 : Automatic control More