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 JP1987151191UpriorityCriticalpatent/JPH046085Y2/ja
Priority to FR8812752Aprioritypatent/FR2621100A1/fr
Priority to US07/251,482prioritypatent/US4895693A/en
Priority to KR1019880012772Aprioritypatent/KR890005450A/ko
Publication of JPS6455601UpublicationCriticalpatent/JPS6455601U/ja
Application grantedgrantedCritical
Publication of JPH046085Y2publicationCriticalpatent/JPH046085Y2/ja
Priority to KR2019930011120Uprioritypatent/KR930005815Y1/ko