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RU2422717C1
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Procedure for monitoring corrosion of main with device of cathode protection
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RU2422789C1
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Procedure for control over tightness of ball valve of multi-purpose accessories of main and device for its implementation (versions)
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RU2422719C1
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Acoustic procedure for diagnosis of technical state of main crossing over natural or artificial barriers
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RU2422712C1
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System for control and elimination of hazardous condition of main
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RU2422718C1
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Procedure for determination of contact place of pipeline with protective jacket in system of main crossing over road
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RU2416052C1
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System for monitoring technical state of main
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RU2426930C1
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System of road crossing of main and procedure for its fabrication
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RU2418235C1
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Control system for gas leaks at gas main crossing motor or rail road
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RU2406907C1
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Equipment for charge of accumulator battery in system of main crossing over electrified railway
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RU2476822C2
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Optical system to define spatial position of main pipeline
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RU2433333C2
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System to control main pipeline state on road crossing with cathode protection device
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RU2413127C1
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Device for calibrating sensors of gas concentration under route conditions in system of control of cross-road main
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RU2423644C2
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Method of main pipeline state diagnostics
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RU2433334C2
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Method to control underwater main pipeline serviceability
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RU2433332C2
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Method of diagnosing crossings of main pipelines state and system to this end
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RU2433335C2
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System to control main pipeline state on road crossing
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RU2423643C2
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Method of main pipeline crossing state diagnostics
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RU2427752C2
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Procedure for control of technical state of mains inter-crossing (versions)
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RU2413902C1
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Procedure for control of technical state of crosses in mains and system for its implementation
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RU2397464C1
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Test stand for ball valves (versions)
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