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Priority to JP1987130150UpriorityCriticalpatent/JPH054246Y2/ja
Priority to DE19883829246prioritypatent/DE3829246A1/de
Publication of JPS6435707UpublicationCriticalpatent/JPS6435707U/ja
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Publication of JPH054246Y2publicationCriticalpatent/JPH054246Y2/ja