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 JP7027690UpriorityCriticalpatent/JPH076800Y2/ja
Priority to EP91110591Aprioritypatent/EP0471947A1/en
Priority to AU79377/91Aprioritypatent/AU631746B2/en
Priority to US07/723,074prioritypatent/US5225346A/en
Publication of JPH0428099UpublicationCriticalpatent/JPH0428099U/ja
Application grantedgrantedCritical
Publication of JPH076800Y2publicationCriticalpatent/JPH076800Y2/ja