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Application filedfiledCritical
Priority to JP1989088789UpriorityCriticalpatent/JPH0537295Y2/ja
Priority to US07/558,510prioritypatent/US5086663A/en
Priority to EP90308326Aprioritypatent/EP0410815A1/en
Publication of JPH0330117UpublicationCriticalpatent/JPH0330117U/ja
Application grantedgrantedCritical
Publication of JPH0537295Y2publicationCriticalpatent/JPH0537295Y2/ja
