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Priority to JP359987UpriorityCriticalpatent/JPH06253Y2/ja
Priority to GB8722382Aprioritypatent/GB2196054B/en
Priority to DE3732413Aprioritypatent/DE3732413C2/de
Publication of JPS63112136UpublicationCriticalpatent/JPS63112136U/ja
Priority to US07/352,624prioritypatent/US4893870A/en
Application grantedgrantedCritical
Publication of JPH06253Y2publicationCriticalpatent/JPH06253Y2/ja