4. Measuring and testing
  5. Vibration
  6. Resonance, frequency, or amplitude study

Shengke Zeng

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Acoustical method and system for measuring barrier membrane thic

Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent

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Detection of defects in protective barriers

Electricity: measuring and testing – For insulation fault of noncircuit elements
Reexamination Certificate

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Electrical injury protection system using radio frequency...

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1802162

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