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Priority to JP4746871UpriorityCriticalpatent/JPS487071U/ja
Priority to US00256487Aprioritypatent/US3733807A/en
Priority to GB2616872Aprioritypatent/GB1361321A/en
Priority to CH830072Aprioritypatent/CH577205B5/xx
Priority to CH830072Dprioritypatent/CH830072A4/xx
Publication of JPS487071UpublicationCriticalpatent/JPS487071U/ja