Registration number (WIID)Project No.TitleStatus
59188LVS 423:2021General requirements for corrosion protection of natural gas underground stel pipelinesStandarts spēkā
12295LVS 423:2016General requirements for corrosion protection of natural gas underground stel pipelinesAtcelts
10891LVS 423:2002 /A1:2009General requirements for corrosion protection of natural gas underground steel pipelinesStandarts spēkā
10499LVS 423:2002General requirements for corrosion protection of natural gas underground stel pipelinesAtcelts
59021LVS 422:2020Design of natural gas transmission pipelinesStandarts spēkā
58738LVS 422:2017Design of natural gas transmission pipelinesAtcelts
59510LVS 421:2023Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesStandarts spēkā
58721LVS 421:2016Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesAtcelts
10791LVS 421:2010 /A1:2013Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesAtcelts
10153LVS 421:2010Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesAtcelts
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