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Priority to JP2819090UpriorityCriticalpatent/JPH0740308Y2/ja
Priority to US07/671,416prioritypatent/US5141452A/en
Priority to DE69109720Tprioritypatent/DE69109720T2/de
Priority to EP91400776Aprioritypatent/EP0448476B1/en
Publication of JPH03119968UpublicationCriticalpatent/JPH03119968U/ja
Application grantedgrantedCritical
Publication of JPH0740308Y2publicationCriticalpatent/JPH0740308Y2/ja