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Priority to JP1988161639UpriorityCriticalpatent/JPH0736818Y2/ja
Priority to DE3941044Aprioritypatent/DE3941044C2/de
Priority to GB8928200Aprioritypatent/GB2227041B/en
Publication of JPH0281218UpublicationCriticalpatent/JPH0281218U/ja
Priority to US07/660,261prioritypatent/US5127702A/en
Application grantedgrantedCritical
Publication of JPH0736818Y2publicationCriticalpatent/JPH0736818Y2/ja