2002DIN EN 12953 Beiblatt 1:2002-08 Shell boilers - Part 14: Guideline for the involvement of an inspection body independent of the manufacturer; German version CEN/CR 12953-14:2002
2002DIN EN 12953 Beiblatt 1:2002 Shell boilers - Part 14: Guideline for the involvement of an inspection body independent of the manufacturer