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CONTROL UNIT FOR USE WITH A DEVICE FOR RPODUCING UNIPOLAR SPARK DISCHARGES FOR THE SPECTRAL ANALYSIS OF ALLOY CONSTITUENTS UIN METAL TEST SAMPLES AND THE EVALUATION OF THE SPECTRAL LINES OF DIFFRACTION SPECTRA PRODUCED BY MEANS OF THE SPARK DISCHARGES
CONTROL UNIT FOR USE WITH A DEVICE FOR RPODUCING UNIPOLAR SPARK DISCHARGES FOR THE SPECTRAL ANALYSIS OF ALLOY CONSTITUENTS UIN METAL TEST SAMPLES AND THE EVALUATION OF THE SPECTRAL LINES OF DIFFRACTION SPECTRA PRODUCED BY MEANS OF THE SPARK DISCHARGES