Moldova standards PDF

Piezoelectric ceramic resonators and resonator units for frequency control and selection - Chapter I- Standard values and conditions - Chapter II- Measuring and test conditions. CEI/IEC 60642:1979. Original standard IEC 60642-1979 in PDF full version. Additional info + preview on request

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Amendment 1 - Piezoelectric ceramic resonators and resonator units for frequency control and selection - Chapter I- Standard values and conditions - Chapter II- Measuring and test conditions. Original standard IEC 60642-1979 amd1-1992 in PDF full version. Additional info + preview on request

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Piezoelectric ceramic resonator units - Part 2- Guide to the use of piezoelectric ceramic resonator units. CEI/IEC 642-2:1994. Original standard IEC 60642-2-1994 in PDF full version. Additional info + preview on request

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Piezoelectric ceramic resonators - Part 3- Standard outlines. Original standard IEC 60642-3-1992 in PDF full version. Additional info + preview on request

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Specification for high-voltage fuse-links for motor circuit applications. IEC 60644:2009-08+AMD1:2019-09 CSV(en-fr). Original standard IEC 60644-2019 in PDF full version. Additional info + preview on request

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Electroacoustics - Audiometric equipment - Part 1- Equipment for pure-tone and speech audiometry. IEC 60645-1:2017-03(en-fr). Original standard IEC 60645-1-2017 in PDF full version. Additional info + preview on request

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