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 JP1987077882UpriorityCriticalpatent/JPH062549Y2/ja
Priority to US07/195,909prioritypatent/US4938433A/en
Priority to FR8806824Aprioritypatent/FR2615358A1/fr
Priority to GB8811999Aprioritypatent/GB2205721B/en
Priority to KR2019880007553Uprioritypatent/KR910002680Y1/ko
Priority to IT20697/88Aprioritypatent/IT1217696B/it
Priority to DE3817564Aprioritypatent/DE3817564A1/de
Publication of JPS63186256UpublicationCriticalpatent/JPS63186256U/ja
Priority to US07/517,748prioritypatent/US5098032A/en
Application grantedgrantedCritical
Publication of JPH062549Y2publicationCriticalpatent/JPH062549Y2/ja