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Priority to JP16445088UpriorityCriticalpatent/JPH0530970Y2/ja
Priority to US07/452,557prioritypatent/US4987522A/en
Priority to FR898916904Aprioritypatent/FR2640609B1/fr
Publication of JPH0284716UpublicationCriticalpatent/JPH0284716U/ja
Application grantedgrantedCritical
Publication of JPH0530970Y2publicationCriticalpatent/JPH0530970Y2/ja