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 JP8348772ApriorityCriticalpatent/JPS5522778B2/ja
Priority to DE19732342068prioritypatent/DE2342068A1/de
Publication of JPS4938702ApublicationCriticalpatent/JPS4938702A/ja
Publication of JPS5522778B2publicationCriticalpatent/JPS5522778B2/ja
