Registration number (WIID)Project No.TitleStatus
10333LVS 420:2010 /AC:2014Gas appliances. Conditions for installation of gas appliancesAtcelts
12287LVS 420:2016Gas appliances. Conditions for installation of gas appliancesAtcelts
59189LVS 420:2021Gas appliances. Conditions for installation of gas appliancesStandarts spēkā
10790LVS 421:2002Gāzes sadales un lietotāja sistēmas - Additional requirements for desigh, 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
10791LVS 421:2010 /A1:2013Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesAtcelts
58721LVS 421:2016Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesAtcelts
59510LVS 421:2023Gas distribution and Customer systems. Additional requirements for design, construction and repair of PE gas pipelinesStandarts spēkā
58738LVS 422:2017Design of natural gas transmission pipelinesAtcelts
59021LVS 422:2020Design of natural gas transmission pipelinesStandarts spēkā
Displaying 51-60 of 204 results.