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Low carbon cold rolled non-oriented semi-finished electrical steel sheet used in laminations of rotating electrical machines, comprises carbon, manganese, silicon, aluminium, sulfur, nitrogen, calcium and balance being iron, where [Ca]/[S] ratio is free of sulfide-type of inclusions
2023-07-28
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Pedal-operated airtight magnetic rubbish bin for protecting e.g. insects, from e.g. domestic waste, has push bar vertically provided at one side of container, and electromagnetic flap pivoted to container and adapted to close/open container
2023-03-08
