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Priority claimed from FR7931768Aexternal-prioritypatent/FR2472802A1/fr
Priority claimed from FR8011130Aexternal-prioritypatent/FR2482754A2/fr
Application filed by Henri RosesfiledCriticalHenri Roses
Priority claimed from EP19800401872external-prioritypatent/EP0035621B1/de
Application grantedgrantedCritical
Publication of ATE2101T1publicationCriticalpatent/ATE2101T1/de
Appareil permettant aux musiciens de realiser parfaitement l'accord des instruments a cordes, a vent, voix humaines ou autre quelconque emission sonore
Appareil permettant aux musiciens de realiser parfaitement l'accord des instruments a cordes, a vent, voix humaines ou autre quelconque emission sonore