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Priority claimed from CH375771Aexternal-prioritypatent/CH536561A/de
Application filed by Kistler Instrumente AgfiledCriticalKistler Instrumente Ag
Publication of DK135599BpublicationCriticalpatent/DK135599B/da
Application grantedgrantedCritical
Publication of DK135599CpublicationCriticalpatent/DK135599C/da