4. Measuring and testing
  5. Dynamometers
  6. Responsive to torque

Tatsuo Hirai

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Power increasing device with a display for wrench

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Tightening torque measuring unit

Measuring and testing – Dynamometers – Responsive to torque
Reexamination Certificate

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Tightening torque measuring unit and torque indicating...

Measuring and testing – Dynamometers – Responsive to torque
Reexamination Certificate

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Torque measuring device

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Profile ID: LFUS-PAI-P-2324324

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