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Priority to JP1988106294UpriorityCriticalpatent/JPH0637552Y2/ja
Priority to US07/376,599prioritypatent/US5010214A/en
Priority to DE3922710Aprioritypatent/DE3922710C3/de
Priority to US07/461,549prioritypatent/US5008498A/en
Publication of JPH0227623UpublicationCriticalpatent/JPH0227623U/ja
Application grantedgrantedCritical
Publication of JPH0637552Y2publicationCriticalpatent/JPH0637552Y2/ja