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

Luc Petitjean

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Method and apparatus for perforating and fracturing in a borehol

Ammunition and explosives – Blasting – Borehole loading
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Pressure sensor useable in oil wells

Measuring and testing – Fluid pressure gauge – Diaphragm
Patent

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Profile ID: LFUS-PAI-P-277464

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