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Priority to JP7124971UpriorityCriticalpatent/JPS5128528Y2/ja
Priority to US00240877Aprioritypatent/US3774739A/en
Priority to DE19722216840prioritypatent/DE2216840C3/de
Publication of JPS4826343UpublicationCriticalpatent/JPS4826343U/ja
Application grantedgrantedCritical
Publication of JPS5128528Y2publicationCriticalpatent/JPS5128528Y2/ja