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Application filedfiledCritical
Priority to JP1974090112UpriorityCriticalpatent/JPS5341734Y2/ja
Priority to US05/564,708prioritypatent/US3971615A/en
Priority to DE19752525221prioritypatent/DE2525221A1/de
Publication of JPS5127887UpublicationCriticalpatent/JPS5127887U/ja
Application grantedgrantedCritical
Publication of JPS5341734Y2publicationCriticalpatent/JPS5341734Y2/ja