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Priority to JP16713787UpriorityCriticalpatent/JPH0446186Y2/ja
Priority to US07/224,538prioritypatent/US4907460A/en
Priority to DE3826141Aprioritypatent/DE3826141A1/de
Priority to GB8818314Aprioritypatent/GB2211943B/en
Publication of JPH0171635UpublicationCriticalpatent/JPH0171635U/ja
Priority to US07/417,279prioritypatent/US5046372A/en
Application grantedgrantedCritical
Publication of JPH0446186Y2publicationCriticalpatent/JPH0446186Y2/ja