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 JP11421581UpriorityCriticalpatent/JPS5819289U/ja
Priority to US06/402,585prioritypatent/US4449831A/en
Priority to DE3228545Aprioritypatent/DE3228545C2/de
Priority to GB08222038Aprioritypatent/GB2105884B/en
Publication of JPS5819289UpublicationCriticalpatent/JPS5819289U/ja
Application grantedgrantedCritical
Publication of JPS6231891Y2publicationCriticalpatent/JPS6231891Y2/ja
