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Priority to JP1988155489UpriorityCriticalpatent/JPH0622458Y2/ja
Priority to US07/438,343prioritypatent/US5085169A/en
Priority to DE3939298Aprioritypatent/DE3939298A1/de
Publication of JPH0275170UpublicationCriticalpatent/JPH0275170U/ja
Application grantedgrantedCritical
Publication of JPH0622458Y2publicationCriticalpatent/JPH0622458Y2/ja