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 JP12497272ApriorityCriticalpatent/JPS5550149B2/ja
Priority to DE2362038Aprioritypatent/DE2362038C3/de
Priority to US42432573prioritypatent/US3912315A/en
Publication of JPS4982497ApublicationCriticalpatent/JPS4982497A/ja
Publication of JPS5550149B2publicationCriticalpatent/JPS5550149B2/ja
