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Priority to JP2580873UpriorityCriticalpatent/JPS49130687U/ja
Priority to GB5041773Aprioritypatent/GB1421070A/en
Priority to FR7338922Aprioritypatent/FR2205866A5/fr
Priority to US411894Aprioritypatent/US3873881A/en
Priority to DE2354789Aprioritypatent/DE2354789C3/de
Publication of JPS49130687UpublicationCriticalpatent/JPS49130687U/ja