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Priority to JP5970667UpriorityCriticalpatent/JPS4425153Y1/ja
Priority to GB3744367Aprioritypatent/GB1200355A/en
Priority to US660990Aprioritypatent/US3523300A/en
Priority to FR1554666Dprioritypatent/FR1554666A/fr
Priority to NL6711373Aprioritypatent/NL6711373A/xx
Publication of JPS4425153Y1publicationCriticalpatent/JPS4425153Y1/ja