Foreign sale of patent rights to Soviet inventions in the medical-equipment field.
D001772:Blood Cell Count / Q000295:instrumentation; D002387:Cataract Extraction / Q000295:instrumentation; D003452:Cryosurgery / Q000295:instrumentation; D004467:Economics; D004580:Electronarcosis / Q000295:instrumentation; D019723:Endoscopes; D006355:Heart-Lung Machine; D007688:Kidneys, Artificial / Q000295:instrumentation; D013677:Medical Laboratory Science / Q000295:instrumentation*; D010330:Patents as Topic; D019736:Prostheses and Implants; D013536:Suture Techniques / Q000295:instrumentation; D014586:USSR; D012122:Ventilators, Mechanical