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Priority claimed from NZ203923Aexternal-prioritypatent/NZ203923A/en
Priority claimed from NZ203924Aexternal-prioritypatent/NZ203924A/en
Application filed by Alphonsus Gerardus Gul VeldmanfiledCriticalAlphonsus Gerardus Gul Veldman
Priority claimed from EP84302612Aexternal-prioritypatent/EP0123502B1/de
Application grantedgrantedCritical
Publication of ATE44673T1publicationCriticalpatent/ATE44673T1/de