DIN EN 17488:2020 Conservation of cultural heritage - Procedure for the analytical evaluation and selection of cleaning methods for porous inorganic materials used in cultural heritage; German and English version prEN 17488:2020
2021DIN EN 17488:2021 Conservation of cultural heritage - Procedure for the analytical evaluation to select cleaning methods for porous inorganic materials used in cultural heritage; German version EN 17488:2021
2020DIN EN 17488:2020 Conservation of cultural heritage - Procedure for the analytical evaluation and selection of cleaning methods for porous inorganic materials used in cultural heritage; German and English version prEN 17488:2020