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Priority to JP7877672UpriorityCriticalpatent/JPS5038649Y2/ja
Priority to BR502673Aprioritypatent/BR7305026D0/pt
Publication of JPS4936320UpublicationCriticalpatent/JPS4936320U/ja
Application grantedgrantedCritical
Publication of JPS5038649Y2publicationCriticalpatent/JPS5038649Y2/ja