A staff member wearing a face mask walks past United States and Chinese flags set up before a meeting between Treasury Secretary Janet Yellen and Chinese Vice Premier He Lifeng at the Diaoyutai State Guesthouse in Beijing, China, Saturday, July 8, 2023. Mark Schiefelbein/Pool via REUTERS/File Photo Acquire Licensing Rights WASHINGTON, Oct 6 (Reuters) – The U.S. Commerce Department on Friday added 42 Chinese companies to a government export control list over their support for Moscow's military and defense industrial base – support that includes the supply of U.S.-origin integrated circuits. Another seven entities from Finland, Germany, India, Turkey, United…