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Priority to JP8170590UpriorityCriticalpatent/JPH0440162U/ja
Priority to US07/737,550prioritypatent/US5152274A/en
Priority to KR1019910013337Aprioritypatent/KR950003339B1/ko
Priority to DE4125525Aprioritypatent/DE4125525C2/de
Publication of JPH0440162UpublicationCriticalpatent/JPH0440162U/ja
