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Priority to JP1990107999UpriorityCriticalpatent/JP2522903Y2/ja
Priority to US07/754,738prioritypatent/US5295550A/en
Priority to DE4129658Aprioritypatent/DE4129658A1/de
Publication of JPH0467178UpublicationCriticalpatent/JPH0467178U/ja
Application grantedgrantedCritical
Publication of JP2522903Y2publicationCriticalpatent/JP2522903Y2/ja