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Priority to JP4952770ApriorityCriticalpatent/JPS5022302B1/ja
Priority to US00146644Aprioritypatent/US3773350A/en
Priority to GB1702071Aprioritypatent/GB1301624A/en
Priority to DE2125923Aprioritypatent/DE2125923C3/de
Priority to FR7119120Aprioritypatent/FR2095658A5/fr
Publication of JPS5022302B1publicationCriticalpatent/JPS5022302B1/ja