STB PDF

Amendment 1 - Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1- Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network. Original standard UNE-EN 60444-1-1997 A1-1999 in PDF full version. Additional info + preview on request

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Clothes washing machines for household use. Methods for measuring the performance. Original standard UNE-EN 60456-2016 in PDF full version. Additional info + preview on request

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Connectors for electronic equipment. Tests and measurements - Mechanical operation tests. Test 13b. Insertion and withdrawal forces. Original standard UNE-EN 60512-13-2-2006 in PDF full version. Additional info + preview on request

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Amendment 2 - Direct-current resistive volt ratio boxes. Original standard UNE-EN 60524-1993 A2-1999 in PDF full version. Additional info + preview on request

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Aerospace series. Rod-end with bearing per EN 4614 with self lubricating liner in corrosion resisting steel with external threaded shank. Dimensions and loads. Inch series. Original standard UNE-EN 6056-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Electrical cables, installation. Protection sleeves. Test methods - Vibration. Original standard UNE-EN 6059-406-2014 in PDF full version. Additional info + preview on request

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