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 JP8867172ApriorityCriticalpatent/JPS568042B2/ja
Priority to IT5499572Aprioritypatent/IT974289B/it
Priority to DE19722263312prioritypatent/DE2263312C3/de
Publication of JPS4945200ApublicationCriticalpatent/JPS4945200A/ja
Publication of JPS568042B2publicationCriticalpatent/JPS568042B2/ja
