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Priority claimed from DE19722215215external-prioritypatent/DE2215215C3/en
Priority claimed from DE19727246257external-prioritypatent/DE7246257U/en
Application filed by Thomae Gmbh Dr KfiledCriticalThomae Gmbh Dr K
Application grantedgrantedCritical
Publication of AR195912A1publicationCriticalpatent/AR195912A1/en