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.)
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Publication date
Application filedfiledCritical
Priority to JP18793080UpriorityCriticalpatent/JPS639861Y2/ja
Priority to US06/315,519prioritypatent/US4510543A/en
Priority to GB8132417Aprioritypatent/GB2086642B/en
Priority to DE19813143198prioritypatent/DE3143198A1/de
Publication of JPS57114523UpublicationCriticalpatent/JPS57114523U/ja
Application grantedgrantedCritical
Publication of JPS639861Y2publicationCriticalpatent/JPS639861Y2/ja
