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Priority to JP1989081087UpriorityCriticalpatent/JPH0722339Y2/ja
Priority to FR9008706Aprioritypatent/FR2649365B1/fr
Priority to US07/549,837prioritypatent/US5069502A/en
Publication of JPH0319715UpublicationCriticalpatent/JPH0319715U/ja
Application grantedgrantedCritical
Publication of JPH0722339Y2publicationCriticalpatent/JPH0722339Y2/ja