Sorry, this article is only available in Русский.
UDC 62
SPEAKERPHONE FOR MINE HOIST
Komarov S.G.
retired
independent researcher, electrician
retired
independent researcher, electrician
Abstract
This article is about speakerphone for mine hoist.
Article reference:
Speakerphone for mine hoist // Modern technics and technologies. 2013. № 1 [Electronic journal]. URL: https://technology.snauka.ru/en/2013/01/1474
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