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Priority to JP1986060893UpriorityCriticalpatent/JPH0332840Y2/ja
Priority to US07/040,315prioritypatent/US4838119A/en
Priority to DE19873713819prioritypatent/DE3713819A1/de
Publication of JPS62172842UpublicationCriticalpatent/JPS62172842U/ja
Application grantedgrantedCritical
Publication of JPH0332840Y2publicationCriticalpatent/JPH0332840Y2/ja