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Priority to JP9896786UpriorityCriticalpatent/JPH0514310Y2/ja
Publication of JPS636492UpublicationCriticalpatent/JPS636492U/ja
Priority to US07/401,526prioritypatent/US4995294A/en
Priority to US07/606,116prioritypatent/US5157213A/en
Priority to US07/890,543prioritypatent/US5350881A/en
Application grantedgrantedCritical
Publication of JPH0514310Y2publicationCriticalpatent/JPH0514310Y2/ja