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Priority to JP1989038251UpriorityCriticalpatent/JP2515711Y2/ja
Priority to US07/501,255prioritypatent/US5033789A/en
Priority to DE4010276Aprioritypatent/DE4010276A1/de
Publication of JPH02128625UpublicationCriticalpatent/JPH02128625U/ja
Application grantedgrantedCritical
Publication of JP2515711Y2publicationCriticalpatent/JP2515711Y2/ja
