Опубликовано admin - сб, 10/10/2020 - 11:41 Chinese standards: Tolerances for stamping parts 'file' GBT 37679-2019 .pdf GBT 13915-2013.pdf GBT 13914-2013.pdf GBT 13916-2013.pdf GBT 15055-2007.pdf GBT 35078-2018.pdf GBT 36484-2018 .pdf JB-T 4129-1999.pdf QC T 268-1999.pdf
