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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.)
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Publication date
Application filedfiledCritical
Priority to JP8921584UpriorityCriticalpatent/JPS613752U/ja
Priority to DE8484115371Tprioritypatent/DE3477362D1/de
Priority to DE8787111698Tprioritypatent/DE3485663D1/de
Priority to EP84115371Aprioritypatent/EP0146888B1/en
Priority to DE198787111698Tprioritypatent/DE255150T1/de
Priority to EP87111698Aprioritypatent/EP0255150B1/en
Priority to US06/681,655prioritypatent/US4681409A/en
Publication of JPS613752UpublicationCriticalpatent/JPS613752U/ja
Application grantedgrantedCritical
Publication of JPH0426273Y2publicationCriticalpatent/JPH0426273Y2/ja
