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Priority to JP1989021588UpriorityCriticalpatent/JP2520859Y2/ja
Priority to US07/484,594prioritypatent/US4995665A/en
Priority to DE4006160Aprioritypatent/DE4006160C2/de
Publication of JPH02112518UpublicationCriticalpatent/JPH02112518U/ja
Application grantedgrantedCritical
Publication of JP2520859Y2publicationCriticalpatent/JP2520859Y2/ja
