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Priority to JP10799890UpriorityCriticalpatent/JP2522902Y2/ja
Priority to US07/754,738prioritypatent/US5295550A/en
Priority to DE4129658Aprioritypatent/DE4129658A1/de
Publication of JPH0467177UpublicationCriticalpatent/JPH0467177U/ja
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Publication of JP2522902Y2publicationCriticalpatent/JP2522902Y2/ja