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GB Patent: GB-328,475
Improvements relating to horizontal boring and facing machines
Patentee: Harry Alfred Pearn (exact or similar names) - West Gorton, Manchester, England USPTO Classifications: Tool Categories: metalworking machines : drilling and boring : horizontal boring mills Assignees: Frank Pearn & Co., Ltd. - West Gorton, Manchester, England Manufacturer: Frank Pearn & Co., Ltd. - West Gorton, Manchester, England Witnesses: Unknown	Patent Dates: Applied: May 22, 1929 Granted: May 01, 1930 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Frank Pearn & Co., Ltd.

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