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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1630274ApriorityCriticalpatent/JPS555603B2/ja
Priority to US05/547,406prioritypatent/US3981946A/en
Priority to DE2505657Aprioritypatent/DE2505657C3/de
Publication of JPS50109304ApublicationCriticalpatent/JPS50109304A/ja
Publication of JPS555603B2publicationCriticalpatent/JPS555603B2/ja