Download or read book United States Patent US3793005 Reduction of Nickel Oxide in a Rotary Hearth Furnace written by and published by . This book was released on 1974 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Patent US5186741 Direct Reduction Process in a Rotary Hearth Furnace written by and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Patent US3647423 Production of Copper Nickel Oxide and Zinc Oxide written by and published by . This book was released on 1972 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: