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Priority to JP2298973ApriorityCriticalpatent/JPS5223609B2/ja
Priority to US429199Aprioritypatent/US3866015A/en
Priority to DE2364893Aprioritypatent/DE2364893C3/de
Priority to NL7317784Aprioritypatent/NL7317784A/xx
Publication of JPS49111844ApublicationCriticalpatent/JPS49111844A/ja
Publication of JPS5223609B2publicationCriticalpatent/JPS5223609B2/ja