7409-Od "Replacement Of High-Voltage Cathodic Protection Devices In The Linear Protection Section Of The Tengiz-Novorossiysk Main Oil Pipeline In The Section 206-434 Km." Notification Of An Open One-Stage Tender For The Right To Conclude A Contract For The Performance Of Replacement Of High-Voltage Cathodic Protection Devices In The Linear Protection Section Of Tengiz-Novorossiysk Mainline Oil Pipeline At 206-434 Km.