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Priority to JP1990102240UpriorityCriticalpatent/JP2522888Y2/ja
Priority to US07/754,738prioritypatent/US5295550A/en
Priority to DE4129658Aprioritypatent/DE4129658A1/de
Publication of JPH0459575UpublicationCriticalpatent/JPH0459575U/ja
Application grantedgrantedCritical
Publication of JP2522888Y2publicationCriticalpatent/JP2522888Y2/ja