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Priority to JP1990058957UpriorityCriticalpatent/JP2522252Y2/ja
Priority to GB9111979Aprioritypatent/GB2245990B/en
Priority to DE4118325Aprioritypatent/DE4118325C2/de
Priority to KR2019910008192Uprioritypatent/KR0117909Y1/ko
Priority to FR9106716Aprioritypatent/FR2662825B1/fr
Publication of JPH0418830UpublicationCriticalpatent/JPH0418830U/ja
Priority to US08/029,965prioritypatent/US5337109A/en
Application grantedgrantedCritical
Publication of JP2522252Y2publicationCriticalpatent/JP2522252Y2/ja