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Telephone sets. Voice-frequency method of speech intelligibility measurement
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Health informatics. HL7 version 3. Reference information model. Release 1
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Electromechanical components for electrical equipment. General specification
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Digital Video Broadcasting. Generic Stream Encapsulation Protocol. Basic parameters
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Deflection yoke systems. Methods of measurement and control of parameters
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Oscillator, modulator and control tubes; anode dissipated power more than 25 W. Test method of test for multiple switching-on
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