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Priority to JP12659188UpriorityCriticalpatent/JPH0713282Y2/ja
Priority to US07/414,133prioritypatent/US4996506A/en
Priority to GB8921960Aprioritypatent/GB2224397B/en
Priority to DE3932448Aprioritypatent/DE3932448A1/de
Publication of JPH0247802UpublicationCriticalpatent/JPH0247802U/ja
Application grantedgrantedCritical
Publication of JPH0713282Y2publicationCriticalpatent/JPH0713282Y2/ja