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Application filed by A KothmannfiledCriticalA Kothmann
Priority to ZA00742185*[ApriorityCriticalpatent/ZA742185B/en
Priority to IL47846Aprioritypatent/IL47846A0/en
Priority to JP50094791Aprioritypatent/JPS5138734A/ja
Publication of ZA742185BpublicationCriticalpatent/ZA742185B/en