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Otto Brathuhn

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Kollimator der Firma H. Hoffmann

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Intellectual creation Otto Brathuhn

Created H. Hoffmann (Clausthal)

[Relation to person or institution] Rheinpreußen-Aktiengesellschaft für Bergbau und Chemie (Homberg, Niederrhein)

Intellectual creation E. Borchers

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[Last update: 2024/05/23]

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