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Application filedfiledCritical
Priority to JP2707288UpriorityCriticalpatent/JPH063189Y2/ja
Priority to KR1019890001260Aprioritypatent/KR920003824B1/ko
Priority to DE3903846Aprioritypatent/DE3903846C2/de
Priority to FR898901750Aprioritypatent/FR2627233B1/fr
Priority to US07/308,502prioritypatent/US5023466A/en
Publication of JPH01130071UpublicationCriticalpatent/JPH01130071U/ja
Application grantedgrantedCritical
Publication of JPH063189Y2publicationCriticalpatent/JPH063189Y2/ja