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Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
Application grantedgrantedCritical
Publication of FR700914ApublicationCriticalpatent/FR700914A/fr
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
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FR700914D1929-09-041930-08-20Procédé de préparation d'alliages de métaux précieux, susceptibles d'être bonifiés
ExpiredFR700914A
(fr)