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 JP8307788UpriorityCriticalpatent/JPH0534419Y2/ja
Priority to US07/369,227prioritypatent/US4967883A/en
Priority to CA 603614prioritypatent/CA1312259C/en
Priority to KR2019890008725Uprioritypatent/KR920006141Y1/ko
Publication of JPH027020UpublicationCriticalpatent/JPH027020U/ja
Application grantedgrantedCritical
Publication of JPH0534419Y2publicationCriticalpatent/JPH0534419Y2/ja
