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Corrigendum 1 - Standard definitions and methods of measurement for piezoelectric vibrators operating over the frequency range up to 30 MHz. Original standard IEC 60302-1969 cor1-1971 in PDF full version. Additional info + preview on request

Document status: Active

Standard definitions and methods of measurement for piezoelectric vibrators operating over the frequency range up to 30 MHz. Original standard IEC 60302-1969 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60122-1-2017

IEC provisional reference coupler for the calibration of earphones used in audiometry. Original standard IEC TR 60303-1970 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Electric fans and regulators for use in ships. Original standard IEC 60307-1969 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60879-2025

Amendment 1 - Temperature control devices for quartz crystal units. Original standard IEC 60314-1970 amd1-1979 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Temperature control devices for quartz crystal units. Original standard IEC 60314-1970 in PDF full version. Additional info + preview on request

Document status: Withdrawn