Home / Standards / NB/T 20009.35-2014 NB/T 20009.35-2014 Active 压水堆核电厂用焊接材料 第35部分:钢制安全壳用低合金钢焊条 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2014-10-15 Implementation 2015-03-01 Centralized Committee N/A Issuing Authority N/A