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Priority to JP7429071UpriorityCriticalpatent/JPS4831442U/ja
Priority to GB1622372Aprioritypatent/GB1378679A/en
Priority to US00243381Aprioritypatent/US3750783A/en
Priority to DE2224373Aprioritypatent/DE2224373A1/de
Priority to FR7217987Aprioritypatent/FR2151258A5/fr
Publication of JPS4831442UpublicationCriticalpatent/JPS4831442U/ja