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Piezoelectric and dielectric devices for frequency control and selection. Glossary - Piezoelectric and dielectric resonators. Original standard DD IEC TS 61994-1-2007 in PDF full version. Additional info + preview on request
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Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary - Piezoelectric and dielectric filters. Original standard DD IEC TS 61994-2-2011 in PDF full version. Additional info + preview on request
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Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary - Piezoelectric and dielectric materials. Piezoelectric ceramics. Original standard DD IEC TS 61994-4-2-2011 in PDF full version. Additional info + preview on request
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Piezoelectric and dielectric devices for frequency control and selection. Glossary - Materials. Materials for dielectric devices. Original standard DD IEC TS 61994-4-3-2008 in PDF full version. Additional info + preview on request
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Multimedia security. Guideline for privacy protection of equipment and systems in and out of use - General. Original standard DD IEC TS 62045-1-2006 in PDF full version. Additional info + preview on request
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Low-voltage switchgear and controlgear. Controllers for drivers of stationary fire pumps. Original standard DD IEC TS 62091-2003 in PDF full version. Additional info + preview on request
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