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Application filed by Newton & Taylor LtdfiledCriticalNewton & Taylor Ltd
Priority to ZA00740450ApriorityCriticalpatent/ZA74450B/en
Priority to GB56243/74Aprioritypatent/GB1497672A/en
Priority to DE19752501060prioritypatent/DE2501060A1/en
Priority to CA217,988Aprioritypatent/CA1034916A/en
Priority to FR7501138Aprioritypatent/FR2258148B1/fr
Priority to US05/541,503prioritypatent/US4093076A/en
Publication of ZA74450BpublicationCriticalpatent/ZA74450B/en