Книги автора Charles G.Warnford 1853-1909 Lock

Miners' pocket-book: a reference book for engineers and others engaged in metalliferous mining

Автор: Charles G.Warnford 1853-1909 Lock

Год: 2011

Издание: [не указанo]

Mining and ore-dressing machinery: a comprehensive treatise dealing with the modern practice of winning both metalliferous and non-metalliferous . and preparing the product for the market

Автор: Charles G.Warnford 1853-1909 Lock

Год: 2011

Издание: [не указанo]