4. Electricity: measuring and testing
  5. Magnetic
  6. With means to create magnetic field to test material

Marion Matthews

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Method and apparatus for distinguishing synthetic diamonds from

Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
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Method and apparatus for distinguishing synthetic diamonds...

Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
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Profile ID: LFUS-PAI-P-1751978

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