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 JP47881UpriorityCriticalpatent/JPS6020490Y2/ja
Priority to US06/333,986prioritypatent/US4415178A/en
Priority to GB8138914Aprioritypatent/GB2092965B/en
Priority to FR8124218Aprioritypatent/FR2497156B1/fr
Publication of JPS57113210UpublicationCriticalpatent/JPS57113210U/ja
Application grantedgrantedCritical
Publication of JPS6020490Y2publicationCriticalpatent/JPS6020490Y2/ja