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Priority to JP47037592ApriorityCriticalpatent/JPS509928B2/ja
Priority to GB1367273Aprioritypatent/GB1423862A/en
Priority to DE19732318925prioritypatent/DE2318925C3/de
Priority to DE2365573Aprioritypatent/DE2365573C3/de
Publication of JPS48103906ApublicationCriticalpatent/JPS48103906A/ja
Priority to US489094Aprioritypatent/US3871343A/en
Publication of JPS509928B2publicationCriticalpatent/JPS509928B2/ja