Water-soluble gum having improved properties.
US 2,768,143
Water-soluble gum having improved properties. - Oct. 23, 1956
cl.252/2
FILTER
HYDROCARBON CONVERSION
CHROMIUM FILTER
US 2,768,143
Water-soluble gum having improved properties. - Oct. 23, 1956
cl.252/2
FILTER
HYDROCARBON CONVERSION
CHROMIUM FILTER
US 2,768,143