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Priority to SU1615762ApriorityCriticalpatent/SU410336A1/ru
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СССР Зависимое от авт. свидетельства К° — За влено 17.11.1971 (№ 1622082/26-25) с присоединением за вки № — Приоритет — Опубликовано 20.IV.1973. Бюллетень № 20 Дата опубликовани описани 23.Vll.l973М. Кл. G 01п 27/22УДК 547.915(088.8)