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Heat Treatments In General, Especially Conveying And Cooling
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Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
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AT70195D1913-09-191913-09-19Ofen zur Verarbeitung eines Gemenges von Reduktionsmitteln mit Stoffen, welche reduzierbare Metallverbindungen enthalten.
AT70195B
(de)