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Application filed by Vnii Prirodnykh GazovfiledCriticalVnii Prirodnykh Gazov
Priority to YU95378ApriorityCriticalpatent/YU39416B/en
Publication of YU95378ApublicationCriticalpatent/YU95378A/en
Publication of YU39416BpublicationCriticalpatent/YU39416B/en