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Priority claimed from US06/335,000external-prioritypatent/US4410513A/en
Priority claimed from US06/335,011external-prioritypatent/US4411890A/en
Priority claimed from US06/334,488external-prioritypatent/US4410512A/en
Application filed by Beckman Instruments IncfiledCriticalBeckman Instruments Inc
Priority claimed from NZ20291082Aexternal-prioritypatent/NZ202910A/en
Publication of NZ218384ApublicationCriticalpatent/NZ218384A/en