GDV patents

[caption id="attachment_51" align="alignleft" width="207"] GDV patent[/caption] 1. Skachkov A., Lavrov I, Korotkov K. Frequency transformer 813280 2. Galinkin V., Gudakova G., Kolesnikov S., Korotkov K. Device for study of liquids 1241181 СССР, G 03 G 17/00. 3. Bankovski N., Korotkov K. The Way of hermetic testing 1290120 СССР, G 01…