4. Metal deforming
  5. With use of control means energized in response to activator...
  6. Metal deforming by use of roller or roller-like tool element

Heijiro Shiguma

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Grinding machine for coil springs

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Process of manufacturing a taper leaf spring and its device

Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent

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Profile ID: LFUS-PAI-P-1932609

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