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Application filed by Csongrad Megyei Viz Csato Vall, Magyar Szenhidrogenipari, Koolaj Gazipari TervezofiledCriticalCsongrad Megyei Viz Csato Vall
Priority to HUKO002932priorityCriticalpatent/HU177850B/en
Publication of HU177850BpublicationCriticalpatent/HU177850B/en