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GB Patent: GB-632,368
Improvements in or relating to double-acting stamps or drop hammers
Patentee: Philip Charles Newton Pickworth (exact or similar names) - Stockport, County of Chester, England USPTO Classifications: Tool Categories: metalworking machines : forging machines : drop hammers Assignees: B. & S. Massey Ltd. - Manchester, County of Lancaster, England Manufacturer: B. & S. Massey Ltd. - Manchester, County of Lancaster, England Witnesses: Unknown	Patent Dates: Applied: Jul. 25, 1946 Granted: Nov. 28, 1949 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for B. & S. Massey

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