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Priority claimed from US324472Aexternal-prioritypatent/US3912665A/en
Application filed by Joseph George Spitzer Marvin S, Marra Dorothea CfiledCriticalJoseph George Spitzer Marvin S
Publication of IE38765LpublicationCriticalpatent/IE38765L/en
Publication of IE38765B1publicationCriticalpatent/IE38765B1/en