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Priority to JP2158489UpriorityCriticalpatent/JPH0712132Y2/ja
Priority to GB9003988Aprioritypatent/GB2229973B/en
Priority to DE4005790Aprioritypatent/DE4005790A1/de
Priority to US07/484,554prioritypatent/US5046779A/en
Publication of JPH02112515UpublicationCriticalpatent/JPH02112515U/ja
Application grantedgrantedCritical
Publication of JPH0712132Y2publicationCriticalpatent/JPH0712132Y2/ja