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Application filedfiledCritical
Priority to JP1989039001UpriorityCriticalpatent/JPH0647224Y2/ja
Priority to US07/422,224prioritypatent/US4996829A/en
Priority to GB8923382Aprioritypatent/GB2223660B/en
Priority to FR8913538Aprioritypatent/FR2637767B1/fr
Priority to DE3934636Aprioritypatent/DE3934636A1/de
Publication of JPH02131834UpublicationCriticalpatent/JPH02131834U/ja
Application grantedgrantedCritical
Publication of JPH0647224Y2publicationCriticalpatent/JPH0647224Y2/ja