4. Hydraulic and earth engineering
  5. Fluid control, treatment, or containment
  6. Flow control

Charles D. Richards

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Earth dam protective covering

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent

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Flex circuit for head and disk assembly

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
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Ultrasonic inspection system

Measuring and testing – Vibration – By mechanical waves
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Profile ID: LFUS-PAI-P-544223

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