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Priority claimed from CH1446463Aexternal-prioritypatent/CH417404A/en
Application filed by Oerlikon Buehrle Holding AgfiledCriticalOerlikon Buehrle Holding Ag
Application grantedgrantedCritical
Publication of FI44992BpublicationCriticalpatent/FI44992B/fi
Publication of FI44992CpublicationCriticalpatent/FI44992C/en