It is used as a standard archive name ( РНТ №0304.rar ) for documentation related to the repair of medical imaging systems, such as the CombiDiagnost R90 .
These files are often disguised as archives but are actually PE32 Windows executables (console apps) intended to run malicious code on a target system. 2. Russian Medical Equipment Repair Tenders 0304.rar
The name appears frequently in Russian government and commercial procurement documents. It is used as a standard archive name ( РНТ №0304