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GB Patent: GB-830,432
Improvements in large revolving work tables of horizontal boring machines and other machine tools
Patentee: Curtis Albert Sparkes (exact or similar names) - Broadheath, Manchester, England USPTO Classifications: Tool Categories: metalworking machines : drilling and boring : horizontal boring mills Assignees: H. W. Kearns & Co., Ltd. - Broadheath, Manchester, England Manufacturer: H. W. Kearns & Co., Ltd. - Broadheath, Manchester, England Witnesses: Unknown	Patent Dates: Applied: Jun. 04, 1957 Granted: Mar. 16, 1960 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for H. W. Kearns & Co., Ltd.
Description: See also GB-944,689, which constitutes an addition to this patent.

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