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Amendment 1 - Method of measurement of speed fluctuations in sound recording and reproducing equipment. Original standard IEC 60386-1972 amd1-1988 in PDF full version. Additional info + preview on request

Document status: Active

Symbols for alternating-current electricity meters. Original standard IEC 60387-1992 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 62053-52-2005

Thermal time delay switches for use in equipment for telecommunications and in electronic applications employing similar techniques. Part 1- General requirements and measuring methods. CEI/IEC 60388-1:1972. Original standard IEC 60388-1-1972 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Thermostatic switches primarily for use in equipment for telecommunications and in electronic applications employing similar techniques. Part 1- General requirements and measuring methods. CEI/IEC 60389-1:1972. Original standard IEC 60389-1-1972 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Amendment 1 - Thermostatic switches primarily for use in equipment for telecommunications and in electronic applications employing similar techniques. Part 1- General requirements and measuring methods. Original standard IEC 60389-1-1972 amd1-1976 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Dimensions of spindle ends for manually operated electronic components. CEI/IEC 60390:1972. Original standard IEC 60390-1972 in PDF full version. Additional info + preview on request

Document status: Withdrawn