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Priority claimed from US06/476,738external-prioritypatent/US4485483A/en
Application filed by Emil L Torick, Thomas B KellerfiledCriticalEmil L Torick
Publication of NO844592LpublicationCriticalpatent/NO844592L/en
Publication of NO166307BpublicationCriticalpatent/NO166307B/en
Publication of NO166307CpublicationCriticalpatent/NO166307C/en