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Priority to JP14933189UpriorityCriticalpatent/JP2519637Y2/ja
Priority to US07/631,701prioritypatent/US5048879A/en
Priority to DE19904041877prioritypatent/DE4041877C2/de
Publication of JPH0389864UpublicationCriticalpatent/JPH0389864U/ja
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Publication of JP2519637Y2publicationCriticalpatent/JP2519637Y2/ja