Ley de patentes de exclusiva 1961 y reglamento al convenio de Buenos Aires de 1910

By: Material type: TextTextPublication details: Quito : Editorial Artes Gráficas, [1987] 1987 Description: 16 pISBN:
  • [sin ISBN]
Subject(s): Genre/Form: DDC classification:
  • F 346.86604 E19l
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