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Priority to JP1988036802UpriorityCriticalpatent/JPH0542432Y2/ja
Priority to US07/256,794prioritypatent/US4928826A/en
Priority to DE3835305Aprioritypatent/DE3835305C2/de
Publication of JPH01140539UpublicationCriticalpatent/JPH01140539U/ja
Application grantedgrantedCritical
Publication of JPH0542432Y2publicationCriticalpatent/JPH0542432Y2/ja
