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Priority to JP14933289UpriorityCriticalpatent/JP2519638Y2/ja
Priority to US07/631,701prioritypatent/US5048879A/en
Priority to DE19904041877prioritypatent/DE4041877C2/de
Publication of JPH0389865UpublicationCriticalpatent/JPH0389865U/ja
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Publication of JP2519638Y2publicationCriticalpatent/JP2519638Y2/ja