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Priority claimed from DE19843434639external-prioritypatent/DE3434639A1/en
Priority claimed from DE19843434638external-prioritypatent/DE3434638A1/en
Application filed by Heidolph Elektro Gmbh & Co KgfiledCriticalHeidolph Elektro Gmbh & Co Kg
Priority claimed from EP19850111259external-prioritypatent/EP0175229B1/en
Application grantedgrantedCritical
Publication of ATE51273T1publicationCriticalpatent/ATE51273T1/en