 |
|
Subject: mill concentrate met. Procedure for extracting a value-metal, such as nickel, from a source material such as low grade ore, mill tailings,***mill concentrate***, or the like, in which the value-metal is present in small concentrations спасибо большое! |
| ИМХО: концентрат обогащения |
| adelaida, спасибо! |
| You need to be logged in to post in the forum |