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Application filedfiledCritical
Priority to JP10761089UpriorityCriticalpatent/JPH041033Y2/ja
Priority to JP1990005018Uprioritypatent/JPH041034Y2/ja
Priority to US07/580,744prioritypatent/US5050381A/en
Publication of JPH0347295UpublicationCriticalpatent/JPH0347295U/ja
Application grantedgrantedCritical
Publication of JPH041033Y2publicationCriticalpatent/JPH041033Y2/ja
