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 JP18445584UpriorityCriticalpatent/JPH0231874Y2/ja
Priority to US06/801,806prioritypatent/US4700271A/en
Priority to GB08529285Aprioritypatent/GB2170362B/en
Publication of JPS6198308UpublicationCriticalpatent/JPS6198308U/ja
Priority to HK297/89Aprioritypatent/HK29789A/xx
Application grantedgrantedCritical
Publication of JPH0231874Y2publicationCriticalpatent/JPH0231874Y2/ja
