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Copper and complex ores, and products of their processing. Methods for weight fraction measurement of zink in mineral forms
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Basic environmental testing procedures. Part 2. Tests. Guidance on the application of the tests of IEC publication 68 to simulate the effects of storage
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General purpose bolts and screws. Radii under the head
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Electronics automated design systems. Information support. Technical characteristics of electronic components. Electric vacuum lamps, gas-discharge and X-ray devices. Declarative knowledge specifications according to technical characteristics
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Electromagnetic compatibility of technical equipment. Vehicles, boats and internal combustion engines. Radio distur- bance characteristics. Limits and methods of measurement for protection of on-board receivers
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