4. Measuring and testing
  5. Fluid pressure gauge
  6. Piston

Donald D. Nelson

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Device for raising and lowering loads

Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent

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Pressure gauge and regulator

Measuring and testing – Fluid pressure gauge – Piston
Patent

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Profile ID: LFUS-PAI-P-1571046

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