4. Measuring and testing
  5. Volume or rate of flow
  6. Proportional

Ting Huang

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Fan rotational speed controlling circuit

Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Reexamination Certificate

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Mass flowmeter and laminar flow elements for use therein

Measuring and testing – Volume or rate of flow – Proportional
Patent

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Profile ID: LFUS-PAI-P-433804

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