The preparation of ultra-clean coal at the Konigin Elizabeth Colliery, Essen-Frillendorf : (Mannesmannrohren Werke A.G.)
1946
6 S.
Item no. 30
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
English
Engineering Index Backfile | 1898
SLUB | 2002
|Emerald Group Publishing | 1998
|Engineering Index Backfile | 1929