Certificate

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  Closed circuit boiling dryer (cylinder self-locking protection device)

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  Closed circuit boiling dryer (cooling device)

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  Battery material vertical disc drying and discharging machine

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  A water film dust collector for a dryer

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  A vertical boiling dryer

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  A vertical boiling dryer

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  A vacuum rake dryer

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  A vacuum rake dryer

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  A spray dryer

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  A spray dryer

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  A hollow paddle dryer capable of secondary drying

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  A hollow blade dryer