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• Decade: 1930s ×
• Written by: Russell P. Heuer ×
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1 result for “General Electric”

1. Patent · February 26, 1935

   High Pressure Brick containing Magnesia (US Patent 1,992,482, 1935)

   …9, 1934. It was assigned to General Refractories Co. The patent's description opens (from the scanned text): My invention relates to the methods involved (Cl. 25 1ss) ing the particles into larger and smaller sizes…