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 JP12378585UpriorityCriticalpatent/JPH0352558Y2/ja
Priority to US06/866,346prioritypatent/US4781645A/en
Publication of JPS6230899UpublicationCriticalpatent/JPS6230899U/ja
Application grantedgrantedCritical
Publication of JPH0352558Y2publicationCriticalpatent/JPH0352558Y2/ja