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Priority to JP1985070198UpriorityCriticalpatent/JPH0537723Y2/ja
Priority to US06/862,255prioritypatent/US4708365A/en
Publication of JPS61185648UpublicationCriticalpatent/JPS61185648U/ja
Priority to AU37011/89Aprioritypatent/AU3701189A/en
Application grantedgrantedCritical
Publication of JPH0537723Y2publicationCriticalpatent/JPH0537723Y2/ja