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| alloys and foundry alloys (ГОСТ ГОСТ 25278.12-82 Alexey Lebedev); alloys and alloying elements (ГОСТ 26473.12-85 Alexey Lebedev) | |||
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| alloys and foundry alloys (ГОСТ ГОСТ 25278.12-82 Alexey Lebedev); alloys and alloying elements (ГОСТ 26473.12-85 Alexey Lebedev) | |||