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Priority to JP5396689UpriorityCriticalpatent/JPH02145218U/ja
Priority to DE4015211Aprioritypatent/DE4015211A1/de
Priority to IT04795190Aprioritypatent/IT1246233B/it
Publication of JPH02145218UpublicationCriticalpatent/JPH02145218U/ja
Priority to US07/936,329prioritypatent/US5241844A/en
