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Новосибирский инженерно строительный институт В. В. Куйбышева
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Application filed by Э. А. Абраменков , П. А. Маслаков, Новосибирский инженерно строительный институт В. В. КуйбышеваfiledCriticalЭ. А. Абраменков , П. А. Маслаков
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Publication of SU422850A2publicationCriticalpatent/SU422850A2/ru