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Priority to JP9562669UpriorityCriticalpatent/JPS4816922Y1/ja
Priority to BE742418Dprioritypatent/BE742418A/xx
Priority to DE1962209Aprioritypatent/DE1962209C3/de
Priority to NL7000749Aprioritypatent/NL7000749A/xx
Priority to FR7008673Aprioritypatent/FR2082334A5/fr
Priority to CH514470Aprioritypatent/CH506965A/de
Priority to GB08759/70Aprioritypatent/GB1274802A/en
Priority to US30721Aprioritypatent/US3625236A/en
Publication of JPS4816922Y1publicationCriticalpatent/JPS4816922Y1/ja