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V T U "A. Kanchev Patents |
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Assignee: V T U "A. Kanchev
Address: Ruse, BU
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4778975 |
Electrical supply circuit for electron beam evaporators |
October 18, 1988 |
| A circuit for the electrical supply of a plurality of electron beam evaporators has application in heat and thermochemical treatment processes such as welding, fusing, zonal cleaning of materials, dimensional treatment, application of coatings, etc. A multi-phase step-up transformer |
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