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 JP1987177949UpriorityCriticalpatent/JP2545876Y2/ja
Priority to KR2019880017090Uprioritypatent/KR910005218Y1/ko
Priority to US07/272,329prioritypatent/US4945325A/en
Priority to EP88119226Aprioritypatent/EP0316944A3/en
Publication of JPH0181843UpublicationCriticalpatent/JPH0181843U/ja
Application grantedgrantedCritical
Publication of JP2545876Y2publicationCriticalpatent/JP2545876Y2/ja