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Priority to US05/529,963priorityCriticalpatent/US3965671A/en
Application filedfiledCritical
Priority to JP1975007956Uprioritypatent/JPS5437652Y2/ja
Priority to GB7192/75Aprioritypatent/GB1495853A/en
Priority to CH252475Aprioritypatent/CH600815A5/xx
Publication of JPS5190855UpublicationCriticalpatent/JPS5190855U/ja
Application grantedgrantedCritical
Publication of JPS5437652Y2publicationCriticalpatent/JPS5437652Y2/ja