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Priority to JP1987153234UpriorityCriticalpatent/JPH0754860Y2/ja
Priority to DE19883834229prioritypatent/DE3834229C2/de
Publication of JPH0158165UpublicationCriticalpatent/JPH0158165U/ja
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Publication of JPH0754860Y2publicationCriticalpatent/JPH0754860Y2/ja