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 JP3189388UpriorityCriticalpatent/JPH01135756U/ja
Priority to EP88908361Aprioritypatent/EP0336972B1/en
Priority to DE3889323Tprioritypatent/DE3889323T2/de
Priority to PCT/JP1988/000970prioritypatent/WO1989003132A1/ja
Priority to KR1019890700851Aprioritypatent/KR920009706B1/ko
Priority to US07/362,409prioritypatent/US4977563A/en
Priority to CA000593254Aprioritypatent/CA1303709C/en
Publication of JPH01135756UpublicationCriticalpatent/JPH01135756U/ja