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Priority to JP11772170UpriorityCriticalpatent/JPS5017401Y1/ja
Priority to GB5388971Aprioritypatent/GB1371224A/en
Priority to US203111Aprioritypatent/US3706198A/en
Priority to CH1726071Dprioritypatent/CH1726071A4/xx
Priority to CH1726071Aprioritypatent/CH586924B5/xx
Publication of JPS5017401Y1publicationCriticalpatent/JPS5017401Y1/ja