DIN EN 17543:2020 Conservation of Cultural Heritage - Finishes of built heritage - Investigation and documentation; German and English version prEN 17543:2020
2021DIN EN 17543:2021 Conservation of Cultural Heritage - Finishes of built heritage - Investigation and documentation; German version EN 17543:2021
2020DIN EN 17543:2020 Conservation of Cultural Heritage - Finishes of built heritage - Investigation and documentation; German and English version prEN 17543:2020