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 JP4758888UpriorityCriticalpatent/JPH0538095Y2/ja
Priority to NO88885330Aprioritypatent/NO885330L/no
Priority to CA000585558Aprioritypatent/CA1320859C/en
Publication of JPH01150617UpublicationCriticalpatent/JPH01150617U/ja
Application grantedgrantedCritical
Publication of JPH0538095Y2publicationCriticalpatent/JPH0538095Y2/ja
