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 JP8821586UpriorityCriticalpatent/JPH0345096Y2/ja
Priority to US07/056,463prioritypatent/US4767068A/en
Priority to CA000539179Aprioritypatent/CA1270122A/en
Priority to EP19870108305prioritypatent/EP0249191B1/en
Priority to DE8787108305Tprioritypatent/DE3767373D1/de
Priority to AU74036/87Aprioritypatent/AU586780B2/en
Priority to KR1019870005870Aprioritypatent/KR950000269B1/ko
Publication of JPS635365UpublicationCriticalpatent/JPS635365U/ja
Application grantedgrantedCritical
Publication of JPH0345096Y2publicationCriticalpatent/JPH0345096Y2/ja
Priority to KR1019930003812Aprioritypatent/KR930004396B1/ko