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Apparatus for repairing defects in metallic workpieces by automatic means
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Magnetic leakage field flaw detector utilizing two ring core sensors
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Measuring magnetic fields
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Degaussing control
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Cathode ray tube circuits
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System for quantitative calibration of eddy current test equipment
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Electrical apparatus
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Coil assembly for testing of rods or tubes
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Apparatus for non-destructive testing
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System for quantitative calibration of eddy current test equipment
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CA657000A
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Cathode ray tube circuits
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