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Priority to JP3490087UpriorityCriticalpatent/JPS63141922U/ja
Priority to US07/091,668prioritypatent/US4818074A/en
Priority to GB8720627Aprioritypatent/GB2196165B/en
Priority to DE19873729512prioritypatent/DE3729512C2/de
Publication of JPS63141922UpublicationCriticalpatent/JPS63141922U/ja