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.)
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Filing date
Publication date
Application filedfiledCritical
Priority to JP6372883UpriorityCriticalpatent/JPS59168936U/ja
Priority to US06/554,122prioritypatent/US4588879A/en
Priority to CA000441802Aprioritypatent/CA1224233A/en
Priority to DE8383307275Tprioritypatent/DE3365721D1/de
Priority to EP83307275Aprioritypatent/EP0113962B1/en
Publication of JPS59168936UpublicationCriticalpatent/JPS59168936U/ja
Application grantedgrantedCritical
Publication of JPS6336916Y2publicationCriticalpatent/JPS6336916Y2/ja