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Application filed by Elmasch Bau Sachsenwerk VebfiledCriticalElmasch Bau Sachsenwerk Veb
Priority to DK75364ApriorityCriticalpatent/DK109644C/da
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DK75364A1964-02-171964-02-17Fremgangsmåde og apparat til frembringelse af et oxidlag på jernblik til elektromagnetiske maskiner og apparater.
DK109644C
(da)