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Priority to DE19742437620priorityCriticalpatent/DE2437620C2/de
Priority claimed from DE19742437620external-prioritypatent/DE2437620C2/de
Priority to CH970175Aprioritypatent/CH602249A5/xx
Priority to GB3193575Aprioritypatent/GB1518804A/en
Publication of DE2437620B1publicationCriticalpatent/DE2437620B1/de
Publication of DE2437620A1publicationCriticalpatent/DE2437620A1/de
Application grantedgrantedCritical
Publication of DE2437620C2publicationCriticalpatent/DE2437620C2/de