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US Patent: 628,043
Counter Mechanism for Metal Working Machines
Patentee:
Norbert Sperber (exact or similar names) - Göppingen, Würtemberg, Germany

USPTO Classifications:
72/408, 72/450

Tool Categories:
metalworking machines : metal swaging machines
metalworking machines : metalworking presses : stamping presses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 20, 1898
Granted: Jul. 04, 1899

Patent Pictures:
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