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 JP18451382UpriorityCriticalpatent/JPS5988830U/ja
Priority to US06/558,742prioritypatent/US4623992A/en
Priority to DE3344071Aprioritypatent/DE3344071C2/de
Publication of JPS5988830UpublicationCriticalpatent/JPS5988830U/ja
Application grantedgrantedCritical
Publication of JPH0122187Y2publicationCriticalpatent/JPH0122187Y2/ja