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Priority to JP1032271UpriorityCriticalpatent/JPS5229626Y2/ja
Priority to US225976Aprioritypatent/US3917389A/en
Priority to DE19722264866prioritypatent/DE2264866A1/de
Priority to DE2208063Aprioritypatent/DE2208063B2/de
Publication of JPS479429UpublicationCriticalpatent/JPS479429U/ja
Application grantedgrantedCritical
Publication of JPS5229626Y2publicationCriticalpatent/JPS5229626Y2/ja