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Priority claimed from US06/325,345external-prioritypatent/US4460966A/en
Application filed by Cross CofiledCriticalCross Co
Priority claimed from GB08300234Aexternal-prioritypatent/GB2133579B/en
Priority claimed from DE19833300820external-prioritypatent/DE3300820A1/de
Priority claimed from CA000419535Aexternal-prioritypatent/CA1191933A/en
Priority claimed from JP673083Aexternal-prioritypatent/JPS59134638A/ja
Publication of IN160804BpublicationCriticalpatent/IN160804B/en