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Priority claimed from DE3942445Aexternal-prioritypatent/DE3942445A1/de
Priority claimed from DE4023622Aexternal-prioritypatent/DE4023622A1/de
Application filed by 4 P Nicolaus Kempten GmbhfiledCritical4 P Nicolaus Kempten Gmbh
Priority claimed from EP90123020Aexternal-prioritypatent/EP0433738B1/de
Application grantedgrantedCritical
Publication of ATE91990T1publicationCriticalpatent/ATE91990T1/de