00605naa#a2200181#i#450# EN\\bibl\52930 20240520213140.1 2587-9936 20210625b2021####ek#y0engy0150####ca RUS RU Lee de Forest’s promotion of wireless phone innovation in the service market Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2021 39 с. Journal article local . 621.37-621.39(091) RUS Pestrikov Viktor M icrtjournal.com