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Filing date
Publication date
Application filedfiledCritical
Priority to SU1708930ApriorityCriticalpatent/SU378099A2/ru
Priority to DE19722215113prioritypatent/DE2215113C3/de
Priority to GB1471672Aprioritypatent/GB1382329A/en
Priority to FR7211101Aprioritypatent/FR2132201B1/fr
Priority to US404735Aprioritypatent/US3880717A/en
Application grantedgrantedCritical
Publication of SU378099A1publicationCriticalpatent/SU378099A1/ru
Publication of SU378099A2publicationCriticalpatent/SU378099A2/ru