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Priority to JP47001047ApriorityCriticalpatent/JPS5131170B2/ja
Priority to CH1905572Aprioritypatent/CH612568GA3/xx
Priority to US00319235Aprioritypatent/US3818484A/en
Publication of JPS4874120ApublicationCriticalpatent/JPS4874120A/ja
Publication of JPS5131170B2publicationCriticalpatent/JPS5131170B2/ja