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Priority to JP1989021587UpriorityCriticalpatent/JP2522435Y2/ja
Priority to US07/484,594prioritypatent/US4995665A/en
Priority to DE4006160Aprioritypatent/DE4006160C2/de
Publication of JPH02112517UpublicationCriticalpatent/JPH02112517U/ja
Application grantedgrantedCritical
Publication of JP2522435Y2publicationCriticalpatent/JP2522435Y2/ja
