US2670946A - Apparatus for magnetic roasting - Google Patents
ore fuel Prior art date 1950-10-31239000012159 carrier gas Substances description 31; XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances — — — — — US193249A Apparatus for magnetic roasting US2670946A (en) ()
Miftahul JannatJuly 02, 2021
Provide a sample analysis report, and conduct a feasibility study and analysis based on the local environmental topography.
Eleanor FantJan 14, 2022
The entire team tactfully delivered a project of exceptional quality while staying on schedule & under budget.
Philippe JenvrinOct 25, 2020
We have been using it for a period of time, the quality of the product is very good, we will consider working together again.