Recovery of sulfur from its ores
Description:
Patent for Recovery of Sulfur from its Ores which is used to be a full, clear, and exact description of the invention such as will enable other skilled art to which it appertains to make and use the same
Date:
April. 12, 1921
Creator:
{Gilbert A. Bragg}
Item Type:
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Partner:
UNT Libraries Government Documents Department