Austrian Standards ÖN B 2203-1 and -2 for underground works
Auteur(s): |
Nejad Ayaydin
Harald Lauffer o. Eckart Schneider |
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Médium: | article de revue |
Langue(s): | anglais |
Publié dans: | Felsbau, 2003, n. 4, v. 21 |
Page(s): | 8 |
Mots-clé: |
percement creusement
|