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Priority to JP3420973UpriorityCriticalpatent/JPS5227752Y2/ja
Priority to GB564774Aprioritypatent/GB1419474A/en
Priority to US451986Aprioritypatent/US3906673A/en
Priority to DE2413086Aprioritypatent/DE2413086C2/de
Priority to SE7403689Aprioritypatent/SE402413B/xx
Publication of JPS49134794UpublicationCriticalpatent/JPS49134794U/ja
Application grantedgrantedCritical
Publication of JPS5227752Y2publicationCriticalpatent/JPS5227752Y2/ja