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Priority to JP12797990UpriorityCriticalpatent/JPH0486113U/ja
Priority to DE19914128970prioritypatent/DE4128970A1/de
Priority to GB9118769Aprioritypatent/GB2249047B/en
Priority to US07/754,066prioritypatent/US5207138A/en
Publication of JPH0486113UpublicationCriticalpatent/JPH0486113U/ja