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US Patent: 379,690
Motor for Operating Centrifugal Separators
Patentee: Gustav De Laval (exact or similar names) - Stockholm, Sweden USPTO Classifications: 384/194, 415/202, 494/15, 494/24, 494/63 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 08, 1886 Granted: Mar. 20, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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