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Priority claimed from SU782622608Aexternal-prioritypatent/SU717909A1/ru
Priority claimed from SU782636708Aexternal-prioritypatent/SU782399A2/ru
Priority claimed from SU782636707Aexternal-prioritypatent/SU778265A2/ru
Application filed by Uk Ni I K InstitufiledCriticalUk Ni I K Institu
Publication of DK216379ApublicationCriticalpatent/DK216379A/da
Publication of DK148346BpublicationCriticalpatent/DK148346B/da
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Publication of DK148346CpublicationCriticalpatent/DK148346C/da