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Priority to JP2723385UpriorityCriticalpatent/JPH0140367Y2/ja
Priority to US06/833,822prioritypatent/US4718294A/en
Priority to FR868602733Aprioritypatent/FR2578019B1/fr
Publication of JPS61145157UpublicationCriticalpatent/JPS61145157U/ja
Application grantedgrantedCritical
Publication of JPH0140367Y2publicationCriticalpatent/JPH0140367Y2/ja