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Osram GmbH
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Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbHfiledCriticalPatent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of FR2373158A1publicationCriticalpatent/FR2373158A1/fr
Application grantedgrantedCritical
Publication of FR2373158B1publicationCriticalpatent/FR2373158B1/fr