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Priority to JP13056790UpriorityCriticalpatent/JPH0752609Y2/ja
Priority to DE4122149Aprioritypatent/DE4122149A1/de
Priority to US07/726,332prioritypatent/US5216244A/en
Publication of JPH0487453UpublicationCriticalpatent/JPH0487453U/ja
Application grantedgrantedCritical
Publication of JPH0752609Y2publicationCriticalpatent/JPH0752609Y2/ja