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Priority to JP1988022283UpriorityCriticalpatent/JP2518481Y2/ja
Priority to US07/300,347prioritypatent/US4936342A/en
Priority to DE19893902466prioritypatent/DE3902466C2/de
Publication of JPH01125862UpublicationCriticalpatent/JPH01125862U/ja
Application grantedgrantedCritical
Publication of JP2518481Y2publicationCriticalpatent/JP2518481Y2/ja
