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Priority to JP1990077396UpriorityCriticalpatent/JPH0729312Y2/ja
Priority to GB9106820Aprioritypatent/GB2242945B/en
Priority to US07/680,476prioritypatent/US5123512A/en
Priority to DE4111503Aprioritypatent/DE4111503C2/de
Publication of JPH0436128UpublicationCriticalpatent/JPH0436128U/ja
Application grantedgrantedCritical
Publication of JPH0729312Y2publicationCriticalpatent/JPH0729312Y2/ja
