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Priority claimed from JP565768Uexternal-prioritypatent/JPS4714181Y1/ja
Priority claimed from JP565868Uexternal-prioritypatent/JPS4839069Y1/ja
Application filed by Howa Machinery Ltd, Toray IndustriesfiledCriticalHowa Machinery Ltd
Publication of BR6905972D0publicationCriticalpatent/BR6905972D0/en