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Application filed by Nikolaj P SelivanovfiledCriticalNikolaj P Selivanov
Priority to RU97101505ApriorityCriticalpatent/RU2088089C1/en
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Publication of RU2088089C1publicationCriticalpatent/RU2088089C1/en
Publication of RU97101505ApublicationCriticalpatent/RU97101505A/en