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Priority claimed from NL6606872Aexternal-prioritypatent/NL6606872A/xx
Priority claimed from NL676713809Aexternal-prioritypatent/NL145861B/xx
Application filed by Koninklijke Gist SpiritusfiledCriticalKoninklijke Gist Spiritus
Application grantedgrantedCritical
Publication of AT290724BpublicationCriticalpatent/AT290724B/de