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Priority to JP6524986UpriorityCriticalpatent/JPS62176706U/ja
Priority to KR1019870003914Aprioritypatent/KR900003208B1/ko
Priority to CA000535948Aprioritypatent/CA1292803C/en
Priority to EP87106268Aprioritypatent/EP0243961B1/en
Priority to DE8787106268Tprioritypatent/DE3777232D1/de
Priority to US07/043,711prioritypatent/US4748331A/en
Publication of JPS62176706UpublicationCriticalpatent/JPS62176706U/ja
