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Visser's Annotated European Patent Convention [[electronic resource]] / Lange, Peter de|Rudge, Andrew. — 2022 edition.: Kluwer Law, 2022. — 1 online resource. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:https://elib.spbstu.ru/ebsco/epub/3198728.epub>. — Текст: электронный
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