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Priority to JP2694789UpriorityCriticalpatent/JPH0650636Y2/ja
Priority to DE19893940240prioritypatent/DE3940240A1/de
Publication of JPH02118091UpublicationCriticalpatent/JPH02118091U/ja
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Publication of JPH0650636Y2publicationCriticalpatent/JPH0650636Y2/ja