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Application filed by Vladimir Dmitrievich Poshekhnov, Valery Ivanovich NemchaninovfiledCriticalVladimir Dmitrievich Poshekhnov
Priority to RO99115ApriorityCriticalpatent/RO78539B/ro
Publication of RO78539ApublicationCriticalpatent/RO78539A/fr
Publication of RO78539BpublicationCriticalpatent/RO78539B/ro