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Regular inspection rules for pressure pipeline long distance pipeline TSG_D7003-2009
2020/09
Direct evaluation of external corrosion of buried steel pipeline YTFG-001 SYT 0087
2020/09
Regular inspection rules of pressure pipeline TSG-D7003-2010
2020/09
Corrosion evaluation standard for steel pipeline and storage tank SYT 0087.1-2018
2020/09
Nondestructive testing of pressure equipment Part 12: magnetic flux leakage testing NBT 47013.12-2015
2020/09
Operation specification of natural gas pipeline SYT 5922-2012
2020/09
In pipe inspection SYT 6889-2012
2020/09
Identification of pipeline inspection system SYT 6825-2011
2020/09
Specification for internal inspection and excavation verification of steel pipeline QSY 05267-2016
2020/09
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