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Priority claimed from DEA24151Uexternal-prioritypatent/DE1929800U/de
Application filed by Alfa Laval AbfiledCriticalAlfa Laval Ab
Application grantedgrantedCritical
Publication of FI46902BpublicationCriticalpatent/FI46902B/fi
Publication of FI46902CpublicationCriticalpatent/FI46902C/fi