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Priority to JP1988036540UpriorityCriticalpatent/JPH01142278U/ja
Priority to CA000592062Aprioritypatent/CA1301384C/en
Priority to FR8902572Aprioritypatent/FR2628279B1/fr
Priority to KR1019890002527Aprioritypatent/KR920000143B1/ko
Priority to DE3906315Aprioritypatent/DE3906315A1/de
Publication of JPH01142278UpublicationCriticalpatent/JPH01142278U/ja
Priority to US07/598,758prioritypatent/US5077784A/en