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Installation plant for hardening surface of mechanism elements with high-frequency currents and for hardening teeth of gear wheels, has platform that is moved along vertical guides mounted on stand, where operation of installation is controlled using control panel 2024-04-23
A method for preparing air supplied to the input of a gas-pumping unit with a gas turbine drive of a compressor station of a main pipeline, in which atmospheric air is supplied to the input of a complex water purification unit 2023-12-25
NAVIGATION METHOD USING HIGH-PRECISION SUBSCRIBER TERMINAL AND HIGH-PRECISION SUBSCRIBER TERMINAL 2023-12-08