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Priority to JP11137379UpriorityCriticalpatent/JPS6125167Y2/ja
Priority to GB8006446Aprioritypatent/GB2044990B/en
Priority to DE19803007590prioritypatent/DE3007590C2/de
Publication of JPS5628151UpublicationCriticalpatent/JPS5628151U/ja
Application grantedgrantedCritical
Publication of JPS6125167Y2publicationCriticalpatent/JPS6125167Y2/ja