71597070
May 8, 1950
Mar 18, 1952
PORTABLE HEAT REFLECTING AND FIRE-RESISTANT SHIELDS, KNOWN ALSO AS SCREENS AND GUARDS AND COMPOSED PRINCIPALLY OF FLEXIBLE PANELS AND SHEETS OF FABRIC TREATED WITH FIRE-RESISTANT MATERIALS AND ALSO COMPOSED OF COMPOSITE PANELS OF FLEXIBLE FABRIC AND METAL FOIL AND USED AS WELDING SHIELDS AND AS HEAT REFLECTING SHIELDS
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