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Priority to JP3690787UpriorityCriticalpatent/JPH053262Y2/ja
Priority to FR8803218Aprioritypatent/FR2612087B1/fr
Publication of JPS63144880UpublicationCriticalpatent/JPS63144880U/ja
Priority to US07/363,402prioritypatent/US4949881A/en
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Publication of JPH053262Y2publicationCriticalpatent/JPH053262Y2/ja