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Priority claimed from CA879602Aexternal-prioritypatent/CA879602A/en
Application filed by Циба-Гейги Канада Лтд. (Фирма)filedCriticalЦиба-Гейги Канада Лтд. (Фирма)
Application grantedgrantedCritical
Publication of SU437262A3publicationCriticalpatent/SU437262A3/ru
Publication of SU437262A1publicationCriticalpatent/SU437262A1/ru