Rolf Seifert

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Air conditioner

Refrigeration – Automatic control – Of external fluid or means
Patent

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Focal-plane leaf shutter

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Heat exchanger

Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material
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Heat exchanger

Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material
Patent

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Photographic camera having electric motor drive for shutter cock

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Profile ID: LFUS-PAI-P-917916

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