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Still picture and movie picture cameras. Tripod connection. Coupling dimensions
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Electromechanical components for electronic equipment. Basic testing procedures and measuring methods
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Point-to-point radio communication MF-HF receivers. Parameters, general technical requirements and methods of measuring
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Printed boards. General technical requirements for the construction and acceptance
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Information technology. Learning, education and training. Metadata for learning resources. Part 2. Dublin Core elements
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Semiconductor UHF mixer diodes. Measurement methods of standard overall noise figure
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