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Application filedfiledCritical
Priority to JP1974101738UpriorityCriticalpatent/JPS583189Y2/ja
Priority to CH421875Aprioritypatent/CH579309A5/xx
Priority to DE19752519267prioritypatent/DE2519267A1/de
Priority to GB1874975Aprioritypatent/GB1502376A/en
Priority to FR7519369Aprioritypatent/FR2283491A2/fr
Publication of JPS5128986UpublicationCriticalpatent/JPS5128986U/ja
Application grantedgrantedCritical
Publication of JPS583189Y2publicationCriticalpatent/JPS583189Y2/ja