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Priority to JP13704989UpriorityCriticalpatent/JPH0716906Y2/ja
Priority to DE4036616Aprioritypatent/DE4036616C2/de
Publication of JPH0375317UpublicationCriticalpatent/JPH0375317U/ja
Priority to US08/022,601prioritypatent/US5346431A/en
Application grantedgrantedCritical
Publication of JPH0716906Y2publicationCriticalpatent/JPH0716906Y2/ja