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Priority to JP49485UpriorityCriticalpatent/JPH0446313Y2/ja
Priority to US06/734,952prioritypatent/US4653378A/en
Priority to GB08512682Aprioritypatent/GB2159316B/en
Priority to CN85104830.7Aprioritypatent/CN1004525B/zh
Publication of JPS61119191UpublicationCriticalpatent/JPS61119191U/ja
Application grantedgrantedCritical
Publication of JPH0446313Y2publicationCriticalpatent/JPH0446313Y2/ja
