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Priority to JP375989UpriorityCriticalpatent/JPH0322282Y2/ja
Priority to US07/440,022prioritypatent/US5017797A/en
Priority to CH4197/89Aprioritypatent/CH680584A5/de
Priority to DE3938934Aprioritypatent/DE3938934A1/de
Publication of JPH0294270UpublicationCriticalpatent/JPH0294270U/ja
Application grantedgrantedCritical
Publication of JPH0322282Y2publicationCriticalpatent/JPH0322282Y2/ja