Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP47042426ApriorityCriticalpatent/JPS493108A/ja
Publication of JPS493108ApublicationCriticalpatent/JPS493108A/ja
Priority to JP1976161631Uprioritypatent/JPS5427521Y2/ja
