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
Priority to JP1987179344UpriorityCriticalpatent/JPH0742566Y2/ja
Application filedfiledCritical
Priority to DE3807119Aprioritypatent/DE3807119A1/de
Priority to DE3844785Aprioritypatent/DE3844785C2/de
Priority to US07/164,442prioritypatent/US4898499A/en
Priority to DE3844788Aprioritypatent/DE3844788C2/de
Priority to DE3844787Aprioritypatent/DE3844787C2/de
Priority to KR2019880003626Uprioritypatent/KR950001370Y1/ko
Publication of JPH0184915UpublicationCriticalpatent/JPH0184915U/ja
Application grantedgrantedCritical
Publication of JPH0742566Y2publicationCriticalpatent/JPH0742566Y2/ja