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Priority to JP3208374ApriorityCriticalpatent/JPS5339191B2/ja
Priority to US05/526,178prioritypatent/US4003979A/en
Priority to DE19742455681prioritypatent/DE2455681A1/de
Publication of JPS50124875ApublicationCriticalpatent/JPS50124875A/ja
Publication of JPS5339191B2publicationCriticalpatent/JPS5339191B2/ja