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Metall-Invents A
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Metall-Invents A
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Priority claimed from DE19722245857external-prioritypatent/DE2245857B2/en
Application filed by Metall-Invents AfiledCriticalMetall-Invents A
Application grantedgrantedCritical
Publication of AU477351B2publicationCriticalpatent/AU477351B2/en
Publication of AU6033973ApublicationCriticalpatent/AU6033973A/en