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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
Application grantedgrantedCritical
Publication of FR1203648ApublicationCriticalpatent/FR1203648A/fr